TY  - BOOK
AU  - Richardson,George P.
TI  - Feedback thought: in social science and system theory
SN  - 0812230531
U1  - 300.72 
PY  - 1991///
CY  - Philadelphia
PB  - University of Pennsylvania
KW  - Social sciences
KW  - Methodology
KW  - Feedback control system
N1  - Includes index; Bibliography: p.349-362
ER  -