Richard E. Parent. A system for sculpting 3-D data. In James George, editor, Proceedings of the 4th Annual Conference on Computer Graphics and Interactive Techniques, SIGGRAPH 1977, San Jose, California, USA, July 20-22, 1977. pages 138-147, ACM, 1977. [doi]
@inproceedings{Parent77, title = {A system for sculpting 3-D data}, author = {Richard E. Parent}, year = {1977}, doi = {10.1145/563858.563884}, url = {http://doi.acm.org/10.1145/563858.563884}, researchr = {https://researchr.org/publication/Parent77}, cites = {0}, citedby = {0}, pages = {138-147}, booktitle = {Proceedings of the 4th Annual Conference on Computer Graphics and Interactive Techniques, SIGGRAPH 1977, San Jose, California, USA, July 20-22, 1977}, editor = {James George}, publisher = {ACM}, }