TY  - BOOK
AU  - Waddington,C.H.(Conrad Hal),1905-1975
TI  - Tools for thought: how to understand and apply the latest scientific techniques of problem solving
SN  - 0465086233
PY  - 1977///
CY  - New York
PB  - Basic Books
KW  - System theory
N1  - Includes index; Bibliography: p. 234-239
ER  -