000 00264nam a2200097Ia 4500
008 220310s9999||||xx |||||||||||||| ||und||
100 _aFRY, EDWARD B
245 0 _aTEACHING MACHINES AND PROGRAMMED INSTRUCTION
_bAN INTRODUATION
650 _aEDUCATION
_9161
942 _cBK
999 _c2640
_d2640