Grau, Alfredo ...[et al.]. <br/><br/>
Mashua tropaeolum tuberosum Ruíz & Pav. 

 - Roma  IPGRI  2003 
<br/><br/><label>ISBN: </label>929043581X 
<br/><br/><label>Dewey Class. No.: </label>635.21 G774m