000			00342nam a22001337a 4500
020			_a0-531-07920-7
082			_a658.302 HAI'S
100			_aHILGERT, RAYMOND L,HAIMANN, THEO _974722
245			_aSUPERVISION CONCEPT AND PRACTICES OF MANAGEMENT
250			_a2ND
260			_aNEWYORK _bSOUTH-WESTERN _c1977
300			_a373P
942			_cBK
999			_c580220 _d580220