Janssens, Marc J.J. <br/><br/>
Progeny studies and genotype Xenvironment interactions for yield and other characters in sweet potatoes, ipomoea batatas, L.  : a dissertation 
/ Marc J.J. Janssens 
. - Louvain  : University of Louvain, 1984
. - XV-141 f.  ; 28 cm. 
<br/><br/><label>Source: </label>Fonds FACAGRO 
<br/><br/><label>Universal Decimal Class. No.: </label>633.492.