TY  - BOOK
TI  - Journal of The Institution of Engineers (India ) Vol 67, May 1987
U1  - 622.05 
PY  - 1987///
CY  - CALCUTTA
PB  - THE INSTITUION OF ENGINEERS (INDIA)
KW  -  JOURNAL OF THE INSTITUTION OF ENGINEERS
KW  - ENVIRONMENTAL ENGINEERING
ER  -