TY  - BOOK
AU  - x, x
AU  - Daniels,Alan & Yrates,Don
TI  - Basic systems analysis: x
SN  - 0273020544
U1  - 001.6/B311 
PY  - 1986///
CY  - London
PB  - ELBS/ Pitman
KW  - System analysis
N1  - Includes
ER  -