000 00347nam a2200145Ia 4500
008 180710s9999 xx 000 0 und d
020 _a31666
082 _a150.7
_bROG
100 _aROGERS, Carl R.
245 _aEncounter groups
260 _aMiddlesex
_bPenguin books
_c1970
300 _a174 p.
650 _aPsychology-Education
942 _cS
999 _c62639
_d62639