Dukka, B. J. <br/><br/>
The use of simple inexpensive microbial water quality tests:   results of a three-continent eight country research project 
B. J. Dutka and A. H. El-Shaarawi 
 - Canada  I D R C  1990 
 - 186p. ill.; 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biotic communities<br/>Microbial ecology
<br/><br/><label>LC Class. No.: </label>QR100.7 1990