Whipple George Chadler <br/><br/>
Microscopy of drinking water 

 - 4 
 -  1954 
 - p.  cm. 
<br/><br/><label>Standard No.: </label>73033 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Drinking water
<br/><br/><label>Dewey Class. No.: </label>D85:G:19, J4;1