00389nam a2200145Ia 4500008004100000020001500041041001200056082001600068100001700084245006800101260003400169300000800203650001400211700001800225221030s9999    xx            000 0 und d  a8171335810  aEnglish  a105.23bJet  aU. K. Jetely 0aEnvironmental & Bio - Chemistrycby U. K. Jetely, V. P. Kudesia  bPustak MahalaNew Delhic2001  a500  aChemistry  aV. P. Kudesia