@inproceedings{obrien:1999:GMA,
 author = {James F. O'Brien and Jessica K. Hodgins},
 title = {Graphical modeling and animation of brittle fracture},
 booktitle = {Proceedings of ACM SIGGRAPH 1999},
 year = {1999},
 month=aug,
 isbn = {0-201-48560-5},
 pages = {137--146},
 doi = {http://doi.acm.org/10.1145/311535.311550},
 publisher = {ACM Press/Addison-Wesley Publishing Co.},
 }