B.J. Dutka <br/><br/>
Use of simple, inexpensive microbial water quality tests : Results of a three-continent, eight country research project 

 - Burlington  National Water Research Institute  1990 
 - 186p 
<br/><br/><br/>ENGLISH 
<br/><br/><label>Dewey Class. No.: </label>628.161  / DUT