Silverstein, Alvin <br/><br/>
A world in a drop of water : exploring with a microscope 

 - Mineola, N.Y:  Dover Publications,  1998 
 - 58 p. : ill. ; 23 cm 
<br/><br/><label>ISBN: </label>9780486403816 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Freshwater biology
<br/><br/><label>Dewey Class. No.: </label>578.76 SIL