Valk, Arnoud van der <br/><br/>
The biology of freshwater wetlands / 
Arnold G. van der Valk 
 - 2nd ed. 
 - Oxford ; New York :  Oxford University Press,  2012 
 - xiii, 280 p. :  ill., maps ;  24 cm. 
 - Biology of habitats .
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>9780199608942 (hbk.) 9780199608959 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Wetlands<br/>Wetland ecology