000			00301nam a22001337a 4500
003			OSt
005			20221026121850.0
008			221026b -us||||| |||| 00| 0 eng d
020			_a9781680916355
041			_aeng.
100			_aR' Mendel Hershkowitz
245			_aTrial And Error
942			_2ddc _cCMBK _n0
999			_c5310 _d5310