David G. Morgenthaler, Azriel Rosenfeld. Surfaces in Three-Dimensional Digital Images. Inf. Comput., 51(3):227-247, December 1981.
@article{MorgenthalerR81, title = {Surfaces in Three-Dimensional Digital Images}, author = {David G. Morgenthaler and Azriel Rosenfeld}, year = {1981}, month = {December}, researchr = {https://researchr.org/publication/MorgenthalerR81}, cites = {0}, citedby = {0}, journal = {Inf. Comput.}, volume = {51}, number = {3}, pages = {227-247}, }