TY  - BOOK
AU  - Borgatta,Edgar F.
AU  - Hare,A.Paul
TI  - Small groups: studies in social interaction 
AV  - HM291 .H157
PY  - 1955///
CY  - New York
PB  - Alfred A. Knopf
KW  - Small groups
N1  - Includes bibliographical references
ER  -