000			00375nam a2200145Ia 4500
008			240318s9999 xx 000 0 und d
020			_a0231029659
082			_a361.4 NOR
100			_aNorthen, Helen.
245		0	_aSocial work with groups.
260			_bColumbia niversity Press, _aNew york, _c1969
300			_avii, 270 p.
650			_aSocial group work.
942			_cBK
999			_c26911 _d26911