Morris, Dick <br/><br/>
The structure and management of ecosystems / 
prepared for the sys tems behaviour course team by Dick Morris. 
 - Milton Keynes :  The Open University Press,  1973. 
 - 74 p. :  ill. (some col.) ;  30 cm. 
 - The Open University. Systems Behaviour;  Module 6 .
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>0335026052 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecosystems management--Great Britain.<br/>Sheep--Breeding
<br/><br/><label>Dewey Class. No.: </label>574.5