TY  - BOOK
AU  - Herbert A. Thelen
TI  - Dynamics of groups at work
U1  - 307 
PY  - 1954///
CY  - Chicago
PB  - University of Chicago Press
N1  - Herbert A. Thelen: Dynamics of groups at work.  Chicago.  University of Chicago Press, 1954.--(307THE)
ER  -