The evolution of IBP  (Book) 

 - Cambridge  Cambridge University Press  1975 
 - 268p.  24 cm. 
<br/><br/><label>ISBN: </label>0521207363 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecological research Ecology--Research projects
<br/><br/><label>Universal Decimal Class. No.: </label>570:061.6(100) EVO  / 12092