000 00293nam a2200109Ia 4500
008 200527s9999||||xx |||||||||||||| ||und||
082 _a362.3 BEC
100 _aBeck, Helen L.
245 0 _aSocial Services to the Mentally Retarded
264 _bCharles C Thomas Publisher
_c1969
300 _a207p.
999 _c15180
_d15180