@inproceedings{134036,
author = "William M. Hsu and John F. Hughes and Henry Kaufman",
title = "Direct manipulation of free-form deformations",
booktitle = "SIGGRAPH '92: Proceedings of the 19th annual conference on Computer graphics and interactive techniques",
year = "1992",
isbn = "0-89791-479-1",
pages = "177--184",
doi = "http://doi.acm.org/10.1145/133994.134036",
publisher = "ACM Press",
address = "New York, NY, USA",
}