TY  - BOOK
AU  - Mahida, U N
TI  - Water pollution and disposal of waste water on land
U1  - 628.74 21st
PY  - 1981///
CY  - New Delhi
PB  - Tata MacGraw-Hill
KW  - Water-Pollution; Waste disponal; Sewage; Factory and trade waste; Waste products
ER  -