00340nam a2200133Ia 450000500170000000800410001702000180005808200240007610000200010024500280012026000310014830000130017965000140019220250416093313.0231217s9999    xx            000 0 und d  a9788180522642  a540.02462  AHL;1  R  aAhluwalia, V K. 0aEnvironmental chemistry  c2008bAne BooksaNew Delhi  axii, 208  achemistry