000			00306nam a22001337a 4500
008			180111b xxu||||| |||| 00| 0 eng d
020			_a0915145928
041			_aeng
080			_a101
100			_a24
101			_aFIL
245			_aThree Treatises on the Nature of Science _cWalzer, R
942			_2udc _cBK
999			_c40089 _d40089