TY  - GEN
AU  - Dara SS, Dr; Umare SS Dr.
TI  - Textbook of engineering Chemistry for students of BE, B TECH, B. Sc, M.Sc environment, M.Tech (environment engineering), 25/e
U1  - 660 DAR 
PY  - 2010///
CY  - New Delhi
PB  - S Chand
ER  -