00346nam a22001217a 450000500170000000800410001704000130005808200200007110000210009124500740011226000300018630000080021620180118092810.0180118b        xxu||||| |||| 00| 0 eng d  cPK-LaUMT  aPKAC 121bWEI-K  aWeigel , Gustave  aKnowledge its values and limits/cGustave Weigel and Arthur G. Madden  a[ ]bPrentice-Hall,c1961  a118