David C. Rine:
Multivalued Logic in Programming and Flowcharting.
75-79 BibTeX
A. D. Smirnov, N. G. Bun'kov:
Planning of Processing for a Partially Determined Problem Flow in the Mixed Mode of Batch Processing and time Sharing.
80-84 BibTeX
Volume 7,
Number 3,
1975
A. Payne:
Computer-based Land Transfer and Registration.
99-104 BibTeX