J. M. Howie. GD3 - A system for two-dimensional computer graphics. Computers & Graphics, 4(3-4):161-164, 1979. [doi]
@article{Howie79,
title = {GD3 - A system for two-dimensional computer graphics},
author = {J. M. Howie},
year = {1979},
doi = {10.1016/0097-8493(79)90017-7},
url = {http://dx.doi.org/10.1016/0097-8493(79)90017-7},
researchr = {https://researchr.org/publication/Howie79},
cites = {0},
citedby = {0},
journal = {Computers & Graphics},
volume = {4},
number = {3-4},
pages = {161-164},
}