Michael A. J. Sweeney, Richard H. Bartels. Ray Tracing Free-Form B-Spline Surfaces. IEEE Computer Graphics and Applications, 6(2):41-49, 1986. [doi]
@article{SweeneyB86,
title = {Ray Tracing Free-Form B-Spline Surfaces},
author = {Michael A. J. Sweeney and Richard H. Bartels},
year = {1986},
doi = {10.1109/MCG.1986.276691},
url = {http://doi.ieeecomputersociety.org/10.1109/MCG.1986.276691},
researchr = {https://researchr.org/publication/SweeneyB86},
cites = {0},
citedby = {0},
journal = {IEEE Computer Graphics and Applications},
volume = {6},
number = {2},
pages = {41-49},
}