00266nam a22000977a 4500008004100000020002200041100002700063245004000090260003000130300000800160251013b        |||||||| |||| 00| 0 eng d  a978-81-219-0359-2  aS.S. Dara & S.S. Umare  aA Textbook of Engineering Chemistry  aNew DelhibS. Chandc2014  a972