00337nam a22001097a 450000500170000000800410001704000080005805000210006624500710008726000540015830000150021220230621113211.0200922b           ||||| |||| 00| 0 eng d  cDLC  aQ175b.W54  1968  aWilliam Whewell's Theory of Scientific Methods  /cButts Robert E.  aNew York :bUniversity of Pittsburg Press,c1968.  aix,358 p,: