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title  =    "Collision Detection and Analysis in a Physically Based Simulation"
             _Second Eurographics Workshop on Animation and Simulation_
year =        1991

author =      "S. Cameron"
title =       "Collision Detection by Four-Dimensional Intersection Testing"
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author =      "S. S. Keerthi and K. Sridharan"
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booktitle =  "Proc. 3rd Canad. Conf. Comput. Geom."
year =         1991
pages =      "19--25"

author =      "Micha Sharir"
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pages =       "1326--1331"

author =      "S. Stifter"
title =       "A medley of solutions to the robot collision problem in two and three dimensions"
type =        "Ph.{D}. Thesis"
school =      "Johannes Kepler Univ."
address =     "Linz, Austria"
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author =      "John Canny"
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author =      "J. D. Cohen and M. C. Lin and D. Manocha and M. K. Ponamgi"
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author =      "A. Garcia-Alonso and N. Serrano and J. Flaquer"
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author =      "Marina Gavrilova and Jon Rokne and Dmitri Gavrilov"
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nickname =    "CG '96"
site =        "M{\"u}nster"
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author =      "Philip M. Hubbard"
title =          "Collision detection for interactive graphics applications"
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keywords =    "collision detection, intersection detection, sphere trees"

author =      "I. P. Logan and W. A. McNeely and J. J. Troy and D. P. Wills"
title =          "Voxel Based Real-Time Collision Detection"
type =         "Manuscript"
institution = "Univ. Hull"
year =          1997