Peterken, G. F <br/><br/>
Wye valley 
George Peterken 
 - London  Collins  2008 
 - 466 p. : col. ill, maps. ; 22 cm 
<br/><br/> Includes bibliographical references (p. [427]-440) and index 
<br/><br/><label>ISBN: </label>9780007160686 
<br/><br/><label>ISSN: </label>2008431969 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Natural history - Wye, River, Valley (Wales and England)
<br/><br/><label>Dewey Class. No.: </label>508.4295 PET