M. Romero-Carpio and R. Estrada-Jiménez, “Selection of cDNAs differential fragments related to water stress in Ullucus tuberosus Loz. (Bassellaceae) «olluco»”, Rev peru biol, vol. 12, no. 1, pp. 135–140, Jul. 2005, doi: 10.15381/rpb.v12i1.2367.