TY  - BOOK
AU  - Sernadas, A
AU  - Bunbeko, J
TI  - Information systems: theoretical and formal aspects
PY  - 1983///
CY  - Amsterdam
PB  - Elsevier
KW  - Electrical engineering
KW  - Computer science
N1  -  Proceedings of the IFIP WG8.1 working conference on theoretical and formal aspects of information system
ER  -