00593ca0 a2200229ua 45000010006000000050017000060070003000230080041000260200012000670400009000790410014000880820015001021000036001172450077001532500013002302600043002433000018002863650012003045040009003165410024003256500014003492021820180503180950.0ta080331s1953           g     b000 u eng u  cRs.70/-  aMAIN1 aenghNULL14a546.6bJOH1 aJohnstone, Sydney J.  .eAuthor10aMinerals For The Chemical And Allied Industries / cSydney J. Johnstone.  a1st /b.  aLondon :bChapman & Hall Ltd , c1953.  a692 ; cNULL.  aRs.70/-  aNULL  e14941     hRs.70/- 0aChemistry