000 00307nam a2200133Ia 4500
008 160316s1975 xxu||||| |||| 00| 0 eng d
020 _a
100 _aMusgrave,George Roy
245 _a1922-Individualized Instruction
250 _a
260 _aBOSTON
_bALLYN & BACON
_c1975
300 _a189
700 _a
_a
999 _c4344
_d4344