000			00294nam a22001337a 4500
008			180921b xxu||||| |||| 00| 0 eng d
020			_a0139021639
041			_aeng
080			_a004
100			_a28
101			_aSHK
245			_aThe technology of teaching _cSkinner,B.F
942			_2udc _cBK
999			_c48178 _d48178