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 key = {maccrae09},
 author = {McCrae, James and Mordatch, Igor and Glueck, Michael and Khan, Azam},
 title = {Multiscale {3D} navigation},
 booktitle = {I3D '09: Proceedings of the 2009 symposium on Interactive 3D graphics and games},
 year = {2009},
 isbn = {978-1-60558-429-4},
 pages = {7--14},
 location = {Boston, Massachusetts},
 doi = {http://doi.acm.org/10.1145/1507149.1507151},
 publisher = {ACM},
 %address = {New York, NY, USA},
 }

@article{santos09,
 author = {Sousa Santos, Beatriz and Dias, Paulo and Pimentel, Angela and Baggerman, Jan-Willem and Ferreira, Carlos and Silva, Samuel and Madeira, Joaquim},
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 journal = {Multimedia Tools Appl.},
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 number = {1},
 year = {2009},
 issn = {1380-7501},
 pages = {161--181},
 doi = {http://dx.doi.org/10.1007/s11042-008-0223-2},
 publisher = {Kluwer Academic Publishers},
 }

@inproceedings{rocha08,
 author = {de Sousa Rocha, Rafael and Rodrigues, Maria Andr\'{e}ia Formico},
 title = {An evaluation of a collision handling system using sphere-trees for plausible rigid body animation},
 booktitle = {SAC '08: Proceedings of the 2008 ACM symposium on Applied computing},
 year = {2008},
 isbn = {978-1-59593-753-7},
 pages = {1241--1245},
 location = {Fortaleza, Ceara, Brazil},
 doi = {http://doi.acm.org/10.1145/1363686.1363972},
 publisher = {ACM},
 }



@book{tullis08,
      author       = "Tullis, Thomas and Albert, William",
      title        = "Measuring the user experience: collecting, analyzing, and
                      presenting usability metrics",
      publisher    = "Elsevier",
      address      = "Amsterdam",
      year         = "2008",
}

@article{ware90,
 key = {ware90},
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 }

@inproceedings{fitz08,
 key = {fitz08},
 author = {Fitzmaurice, George and Matejka, Justin and Mordatch, Igor and Khan, Azam and Kurtenbach, Gordon},
 title = {Safe 3D navigation},
 booktitle = {I3D '08: Proceedings of the 2008 symposium on Interactive 3D graphics and games},
 year = {2008},
 isbn = {978-1-59593-983-8},
 pages = {7--15},
 location = {Redwood City, California},
 doi = {http://doi.acm.org/10.1145/1342250.1342252},
 publisher = {ACM},
 address = {New York, NY, USA},
 }

@article{mack90,
 key = {mack90},
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 publisher = {ACM},
 address = {New York, NY, USA},
 }

@inproceedings{desney01,
 key = {desney01},
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 title = {Exploring 3D navigation: combining speed-coupled flying with orbiting},
 booktitle = {CHI '01: Proceedings of the SIGCHI conference on Human factors in computing systems},
 year = {2001},
 isbn = {1-58113-327-8},
 pages = {418--425},
 location = {Seattle, Washington, United States},
 doi = {http://doi.acm.org/10.1145/365024.365307},
 publisher = {ACM},
 address = {New York, NY, USA},
 }

@inproceedings{perlin93,
 key = {perlin93},
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 title = {Pad: an alternative approach to the computer interface},
 booktitle = {SIGGRAPH '93: Proceedings of the 20th annual conference on Computer graphics and interactive techniques},
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 isbn = {0-89791-601-8},
 pages = {57--64},
 location = {Anaheim, CA},
 doi = {http://doi.acm.org/10.1145/166117.166125},
 publisher = {ACM},
% address = {New York, NY, USA},
 }

@inproceedings{bederson94_b,
  key = {bederson94_2},
 author = {Bederson, Benjamin B. and Hollan, James D.},
 title = {Pad++: a zooming graphical interface for exploring alternate
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 booktitle = {UIST '94: Proceedings of the 7th annual ACM symposium on
User interface software and technology},
 year = {1994},
 isbn = {0-89791-657-3},
 pages = {17--26},
 location = {Marina del Rey, California, United States},
 doi = {http://doi.acm.org/10.1145/192426.192435},
 publisher = {ACM},
 %address = {New York, NY, USA},
 }

@inproceedings{bederson94_a,
 key = {bederson94_1},
 author = {Bederson, Ben B. and Stead, Larry and Hollan, James D.},
 title = {Pad++: advances in multiscale interfaces},
 booktitle = {CHI '94: Conference companion on Human factors in computing systems},
 year = {1994},
 isbn = {0-89791-651-4},
 pages = {315--316},
 location = {Boston, Massachusetts, United States},
 doi = {http://doi.acm.org/10.1145/259963.260379},
 publisher = {ACM},
 %address = {New York, NY, USA},
 }

@inproceedings{kopper06,
 key = {kopper06},
 author = {Kopper, Regis and Ni, Tao and Bowman, Doug A. and Pinho, Marcio},
 title = {Design and Evaluation of Navigation Techniques for Multiscale Virtual Environments},
 booktitle = {VR '06: Proceedings of the IEEE conference on Virtual Reality},
 year = {2006},
 isbn = {1-4244-0224-7},
 pages = {175--182},
 doi = {http://dx.doi.org/10.1109/VR.2006.47},
 publisher = {IEEE Computer Society},
 %address = {Washington, DC, USA},
 }

@inproceedings{ware97,
 key = {ware97},
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 publisher = {ACM},
% address = {New York, NY, USA},
}

@inproceedings{baciu97,
 key = {baciu97},
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 year = {1997},
 isbn = {0-8186-8028-8},
 pages = {51--58},
 publisher = {IEEE Computer Society},
 %address = {Washington, DC, USA},
 }

@INPROCEEDINGS{baciu98,
key = {baciu98},
title={RECODE: an image-based collision detection algorithm},
author={Baciu, G. and Wingo Sai-Keung Wong and Hanqiu Sun},
booktitle={Proceedings of the 6th Pacific Conference on Computer Graphics and Applications},
year={1998},
%month={Oct},
pages={125--133},
doi={10.1109/PCCGA.1998.732079},
}

@inproceedings{calomeni06,
 key = {calomeni06},
 author = {Calomeni, Antonio and Celes, Waldemar},
 title = {Assisted and automatic navigation in black oil reservoir models based on probabilistic roadmaps},
 booktitle = {I3D '06: Proceedings of the 2006 symposium on Interactive 3D graphics and games},
 year = {2006},
 isbn = {1-59593-295-X},
 pages = {175--182},
 location = {Redwood City, California},
 doi = {http://doi.acm.org/10.1145/1111411.1111443},
 publisher = {ACM},
 %address = {New York, NY, USA},
 }

@inproceedings{xiao98,
 key = {xiao98},
 author = {Xiao, Dongbo and Hubbold, Roger},
 title = {Navigation guided by artificial force fields},
 booktitle = {CHI '98: Proceedings of the SIGCHI conference on Human factors in computing systems},
 year = {1998},
 isbn = {0-201-30987-4},
 pages = {179--186},
 location = {Los Angeles, California, United States},
 doi = {http://doi.acm.org/10.1145/274644.274671},
 publisher = {ACM Press/Addison-Wesley Publishing Co.},
 %address = {New York, NY, USA},
 }

@inproceedings{li01,
 key = {li01},
 author = {Li, T.Y. and Chou, H.C.},
 title = {Improving Navigation Efficiency with Artificial Force Field},
 booktitle = {Proceedings of 2001 14th IPPR Conference on Computer Vision, Graphics, and Image Processing},
 year = {2001},
 address = {Taiwan},
 }

@article{zhang09,
 author = {Zhang, Xiaolong (Luke)},
 title = {Multiscale traveling: crossing the boundary between space and scale},
 journal = {Virtual Reality},
 volume = {13},
 number = {2},
 year = {2009},
 issn = {1359-4338},
 pages = {101--115},
 doi = {http://dx.doi.org/10.1007/s10055-009-0114-5},
 publisher = {Springer-Verlag},
 address = {London, UK},
 }

@inproceedings{furnas95,
 author = {Furnas, George W. and Bederson, Benjamin B.},
 title = {Space-scale diagrams: understanding multiscale interfaces},
 booktitle = {CHI '95: Proceedings of the SIGCHI conference on Human factors in computing systems},
 year = {1995},
 isbn = {0-201-84705-1},
 pages = {234--241},
 location = {Denver, Colorado, United States},
 doi = {http://doi.acm.org/10.1145/223904.223934},
 publisher = {ACM Press/Addison-Wesley Publishing Co.},
 %address = {New York, NY, USA},
 }

@inproceedings{furnas98,
 key = {furnas98},
 author = {Jul, Susanne and Furnas, George W.},
 title = {Critical zones in desert fog: aids to multiscale navigation},
 booktitle = {UIST '98: Proceedings of the 11th annual ACM symposium on User interface software and technology},
 year = {1998},
 isbn = {1-58113-034-1},
 pages = {97--106},
 location = {San Francisco, California, United States},
 doi = {http://doi.acm.org/10.1145/288392.288578},
 publisher = {ACM},
 %address = {New York, NY, USA},
 }

