Veltkamp, H. J. <br/><br/>
Physiological causes of yield variation in cassava (Manihot esculenta Crantz) / 
H.J. Veltkamp. 
 - Wagenigen, :  Agricultural University,  1986. 
 - 103 p. :  ill. 
<br/><br/><label>ISBN: </label>9067540706 
<br/><br/><label>LCCN: </label>93034154     
<br/><br/><label>Subjects--Topical Terms: </label><br/>Cassava.