Dyke g .v. <br/><br/>
Comparative experiments with field crops 

 - London  1974 
<br/><br/><label>ISBN: </label>0 408 70554 X 
<br/><br/><label>LC Class. No.: </label>633/DYK 
<br/><br/><label>Dewey Class. No.: </label>633/DYK