Seymour, Richard,  1919- <br/><br/>
Fishery management and keepering / 
Richard Seymour. 
 - London :  C. Knight,  c1970. 
 - xi, 199 p. :  ill. ;  23 cm. 
<br/><br/>Includes index. 
<br/><br/><label>ISBN: </label>0853140731 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Fish habitat improvement.<br/>Fishery management.<br/>Fish-culture.<br/>Riverkeepers--England.
<br/><br/><label>Dewey Class. No.: </label>639.31  / SEF 1970