Studies on tuber production in winged bean (Psophocarpus tetragonolobus (L)DC) / 
R.A.Stephenson...[et al]. 
 - [S.l. :  s.n.],  [1979?] 
 - p. 147-151 :  30 cm. 
<br/><br/> Photocopy from: 5th International Symposium on Tropical  Root and Tuber crops  proceedings 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Tubers--Papua New Guinea<br/>Winged beans--Papua New Guinea