000 00361nam a2200157Ia 4500
003 0STCL
008 150530s9999 xx 000 0 und d
040 _aSTCL
_cSTCL
100 _aTrecker, H.B
245 _aSocial group work principles and practices
260 _c1972
546 _aEnglish
942 _2ddc
_cBK
999 _c15419
_d15419
005 20220125165729.0