000 00287nam a2200109Ia 4500
001 MPKV099538
008 120911s9999 xx 000 0 und d
245 _aDynamics of Groups at Work
_cThelen; Herbort A.
260 _aChicago
_bUniv. Press
_c1957
300 _axiv
_b379pp
365 _b48 /-
999 _c63102
_d63102