TY  - BOOK
AU  - Trappl, Robert (Ed.) 
TI  - Progress in cybernetics and systems research volume XI: : Database design international information systems semiotic systems artificial intelligence cybernetics and philosophy special aspects 
SN  - 0-89116-240-2
SN  - 0275-8717
PY  - 1982///
CY  - Washington: 
PB  - Mcgraw-Hill International Book Company, 
KW  - Science
KW  - Cybernetics
ER  -