TY  - BOOK
AU  - Ackoff, Russell L.
AU  - Emery, Fred E.
TI  - On purposeful systems:an interdisciplinary analysis of individual and social behavior as a system of purposeful events
SN  - 0-202-30798-0
U1  - 302.3 ACK-O 
PY  - 2006///
CY  - New Brunswick
PB  - Aldine Transaction
KW  - Social sciences
KW  - Methodology
KW  - Social systems
N1  - includes bibliographical references and index
ER  -