William M. Hsu, John F. Hughes, Henry Kaufman. Direct manipulation of free-form deformations. In James J. Thomas, editor, Proceedings of the 19st Annual Conference on Computer Graphics and Interactive Techniques, SIGGRAPH 1992. pages 177-184, ACM, 1992. [doi]
@inproceedings{HsuHK92, title = {Direct manipulation of free-form deformations}, author = {William M. Hsu and John F. Hughes and Henry Kaufman}, year = {1992}, doi = {10.1145/133994.134036}, url = {http://doi.acm.org/10.1145/133994.134036}, tags = { direct manipulation}, researchr = {https://researchr.org/publication/HsuHK92}, cites = {0}, citedby = {0}, pages = {177-184}, booktitle = {Proceedings of the 19st Annual Conference on Computer Graphics and Interactive Techniques, SIGGRAPH 1992}, editor = {James J. Thomas}, publisher = {ACM}, }