Biotechnological innovalions in crop improvement  published on behalf of apen universiteit and Thames polytechnic. 

 - London  Butterworth Heinemann  1991 
 - ix, 290p., ill. 24cm. 
<br/><br/><label>ISBN: </label>07506-1512-5. 
<br/><br/><label>Dewey Class. No.: </label>660.65,  / B54B