TY  - BOOK
AU  - Sutherland,John W.
TI  - Societal systems: methodology, modelling and management 
SN  - 0444002391
PY  - 1978///
CY  - New York
PB  - North-Holland
KW  - Social sciences
KW  - Methodology
KW  - Social systems
N1  - Includes bibliographical references and index
ER  -