CENTRAL BOARD FOR THE PREVENTION AND CONTROL OF WATER POLLUTION <br/><br/>
Manual for statistical analyses and interpretation of water quality data 
CENTRAL BOARD FOR THE PREVENTION AND CONTROL OF WATER POLLUTION 
 - "Delhi,"  "The Author,      "  1987 
 - 151p  cm. 
<br/><br/><label>Standard No.: </label>197595 
<br/><br/><label>Source: </label> Reference Collections 
<br/><br/><label>Dewey Class. No.: </label>"X9(D2):4:5.2, M7/GD"