000 00295nam a2200133Ia 4500
008 160316s1972 xxu||||| |||| 00| 0 eng d
020 _a
100 _aSchein,Edgar H
245 _aProfessional Education
250 _a
260 _aNEW YORK
_bMCGRAW-HILL
_c1972
300 _a163
700 _a
_a
999 _c18788
_d18788