Peter Rehwald, Christoph Hornung. An analytical visibility method for displaying parametrically defined surfaces. Computers & Graphics, 9(3):275-281, 1985. [doi]
@article{RehwaldH85,
title = {An analytical visibility method for displaying parametrically defined surfaces},
author = {Peter Rehwald and Christoph Hornung},
year = {1985},
doi = {10.1016/0097-8493(85)90054-8},
url = {http://dx.doi.org/10.1016/0097-8493(85)90054-8},
researchr = {https://researchr.org/publication/RehwaldH85},
cites = {0},
citedby = {0},
journal = {Computers & Graphics},
volume = {9},
number = {3},
pages = {275-281},
}