TY  - RPRT
TI  - A subroutine to represent tridimensional surfaces on a printer.
AU  - J Dirkx
AU  - P Dufour
PY  - 1975
DO  - 10.1016/0010-468x(75)90027-6
UR  - https://pubmed.ncbi.nlm.nih.gov/1164842/
ID  - 1164842
ER  -