Peter Stucki. Generation of Grey Tones by Computer for Simulation of Visual Information Systems. IEEE Transactions on Computers, 18(7):642-643, 1969. [doi]
@article{Stucki69, title = {Generation of Grey Tones by Computer for Simulation of Visual Information Systems}, author = {Peter Stucki}, year = {1969}, doi = {10.1109/T-C.1969.222731}, url = {http://doi.ieeecomputersociety.org/10.1109/T-C.1969.222731}, researchr = {https://researchr.org/publication/Stucki69}, cites = {0}, citedby = {0}, journal = {IEEE Transactions on Computers}, volume = {18}, number = {7}, pages = {642-643}, }