00403nam a22001577a 450000500170000000800410001702000150005808200130007310000200008624500400010626000380014630000100018465000140019470000160020870000210022420250822150849.0250822b        |||||||| |||| 00| 0 eng d  a938080301X  a545bSIN  aSingh, Jagdamba  aA Textbook of Engineering Chemistry  aMeerutbKedar Nath Ram Nathc2011  a668p.  aChemistry  aSingh, Jaya  aSrivastava, Jaya