TY  - BOOK
AU  - Emery,F.E.
TI  - Systems thinking: selected readings
SN  - 0140800719
AV  - Q295 .E45 1981
PY  - 1969///
CY  - Harmondsworth
PB  - Penguin
KW  - System analysis
N1  - Includes bibliographies
ER  -