000 00397nam a2200145Ia 4500
008 230627s9999 xx 000 0 und d
040 _aNORSU-Sia
_cNORSU-Sia
082 _a371.102 Sch4
100 _aRichard A. Schmuck and Patricia A. Schmuck
245 0 _aGroup processes in the classroom
260 _bWm.C. Brown Company Publishers
_c1971
300 _a380 p.
942 _cBK
999 _c2789
_d2789