GREESON, P.E. <br/><br/>
Methods for collection and analysis of aquatic biological and microbiological samples 

 - Washington : US Dept. of the Interior,  1977 
 - 95p 
 - Techniques of water-resources investigations of the United States Geological Survey Book 5 Chapter A4. .
<br/><br/><br/>ENG 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Water Resources