Silverstein, Alvin <br/><br/>
A world in a drop of water : exploring with a microscope 
Alvin and Virginia Silverstein 
 - Mineola, N.Y  Dover Publications  1998 
 - 58 p. : ill. ; 23 cm 
<br/><br/> Originally published: 1st ed. New York : Atheneum, 1969. Includes index 
<br/><br/><label>ISBN: </label>9780486403816 
<br/><br/><label>ISSN: </label>98027926 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Freshwater biology<br/>Freshwater biology - Juvenile literature
<br/><br/><label>Dewey Class. No.: </label>578.76 SIL