TY  - BOOK
AU  - CENTRAL BOARD FOR THE PREVENTION AND CONTROL OF WATER POLLUTION
TI  - Manual for statistical analyses and interpretation of water quality data
U1  - "X9(D2):4:5.2, M7/GD" 
PY  - 1987///
CY  - "Delhi,"
PB  - "The Author,      "
ER  -