5[1]Quiros CF, R. Aliaga R. Maca. Andean roots and tubers:ahipa, arracacha, maca and yacon. Hermann M. Heller J(Eds). Promoting conservation and use of underutilized and neglected crops. 21. Rome(Italy), 1997,175~195
6[2]Rea J. Maca (Lepidium meyenii). Neglected crops: 1492 from a different perspective. Hernando B and Leon J(Eds),Plant Production and Protection Series No. 26, FAO, Rome(Italy), 1994,165~ 179
7[3]Tello J. La mace( Lepidium meyenii Walpers): Cultivo alimenticio potencial pare las zones altoandinas, 1992,81: 59~66
8[4]Quiros CF, Epperson A, Hu J et al. Physiological studies and determination of chromosome number in Maca, Lepidium meyenii(Brassicaceae). Economic Botany, 1996,50 (2): 216~223
9[5]Toledo J, Dehal P, Jarrin F et al. Genetic variability of Lepidium meyenii and to other Andean Lepidium species(Brassicaceae) assessed by molecular markers. Annals of Botany,1998,82: 523 ~ 530