TY  - BOOK
AU  - Dara S.S and Umare S.S 
TI  - A text book of engineering chemistry 
SN  - 8121903599
U1  - 640 DAR  
PY  - 2014///
CY  - S. Chand and company Ltd. 
PB  - New Delhi 
KW  - CHEMISTRY
ER  -