TY  - BOOK
AU  - Nappelbaum, E L
AU  - Yaroshevskii, YU A
AU  - Zaydin, D G
TI  - Systems research: : Methodological problems
SN  - 0-08-030000-6
PY  - 1984///
CY  - Oxford: 
PB  - Pergamon Press, 
KW  - System
KW  - System theory
KW  - System analysis
KW  - System approach
ER  -