Egli, Dennis B. <br/><br/>
Seed Biology and The Yeld of Grain Crops 

 - Wallingford Oxon OX10 8DE UX  CAB International  1998 
 -  p.178:pic.:ill. 
<br/><br/><label>ISBN: </label>0851992412 
<br/><br/><label>Universal Decimal Class. No.: </label>633.1  / DOA