Parker, Steve <br/><br/>
Pond & river  / 
written by Steve Parker 
 - London :  Dorling Kindersley,  c1990 
 - 64 p. :  ill. ;  29 cm. 
 - Eyewitness guides ;  v.6 .
<br/><br/>Index : p. 64 
<br/><br/><label>ISBN: </label>0863183182 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Pond ecology<br/>Stream ecology<br/>Ecology
<br/><br/><label>Dewey Class. No.: </label>R 577.63  / P243P 1990