00309nam a2200133Ia 4500008004100000041000800041082001300049100001800062245002600080260002700106300000800133365001600141700001800157230718s9999    xx            000 0 und d  aeng  a540bSIV  aSivasankar B.  aEngineering Chemistry  bTata Mc-graw Hill Pub.  a565  cRs.b250.00  aSivasankar B.