00401nam a2200157Ia 450000100060000000800410000602000180004704000130006508200160007810000190009424500420011326000560015530000110021154600070022265000140022947880140429s9999    xx            000 0 und d  a9780070146105  cPK-LaUMT  a 541bPAL-E  aPalanna, O. G.  aEngineering ChemistrycPalanna, O. G.  aNew Delhi,India:bTata McGraw-Hill Education,c2009  a629 p.  aEN  aChemistry