Seed ecology :   proceedings of the Nineteenth Easter School in Agr icultural Science, University of Nottingham, 1972 /  
edited by W. Hey decker. 
 - London :   Butterworths,   1973. 
 - [12] 578 p. :    ill.;    23 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Seeds--Ecology ------Congresses.<br/>Botany --Ecology ------Congresses.
<br/><br/><label>Dewey Class. No.: </label>582.03 EAS