Zeven A C & Van Harten A M <br/><br/>
Broadening the Genetic Base of Crops : Proc of Conf Wageningen  Netherlands 3-7 July 1978 

 -  Centre for Agri Pub, Washington 
 - pp 347;   23*15 
<br/><br/><label>Dewey Class. No.: </label>G:5p596,N78/N79/B12026