Researchr is a web site for finding, collecting, sharing, and reviewing scientific publications, for researchers by researchers.
Sign up for an account to create a profile with publication list, tag and review your related work, and share bibliographies with your co-authors.
Peter Stucki. Generation of Grey Tones by Computer for Simulation of Visual Information Systems. IEEE Transactions on Computers, 18(7):642-643, 1969. [doi]
Abstract is missing.