TY  - BOOK
AU  - Uppal, M.M.
TI  - Engineering chemistry :  chemical technology    
SN  - 8174091017
AV  - 540 UPP 2008 
U1  - 540 UPP 2008 
PY  - 2008///
PB  - Khanna Publishers
KW  - CHEMISTRY
ER  -