The Evolution of IBP 
edited by E. B. Worthington 
 - Cambridge  Cambridge University Press  1975 
 - xx, 268 p., 2 leaves of plates : ill. ; 24 cm. 
 - International biological programme  1 .
<br/><br/> Includes index. 
<br/><br/>Bibliography: p. 259-261. 
<br/><br/><label>ISBN: </label>0521207363 
<br/><br/><label>LCCN: </label>75-2722 
<br/><br/><label>Subjects--Corporate Names: </label><br/>International Biological Programme