1. Atlin, G. N., 1983. Inbreeding in TPS progenies: implications for breeding and seed production strategy. In: Present and future strategies for potato improvement. pp. 71–85. International Potato Center, Lima, Peru.
2. Atlin, G. N., 1985. Farmer maintenance of TPS varieties. In: Report of the planning conference on innovative methods for propagating potatoes, held December 10–14, 1984. pp. 39–62. International Potato Center. Lima, Peru.
3. Brown, C. R. & Z. Huaman, 1984. Estimation of outcrossing rates in Andigena cultivars: Implications in breeding TPS cultivars. Abstracts of the Sixth Symposium of the International Society for Tropical Root Crops. pp. 473–480. International Potato Center. Lima, Peru.
4. Glendinning, D. R., 1976. Neo-Tuberosum: new potato breeding material. 4. The breeding system of Neo-tuberosum and the structure and composition of the Neo-tuberosum gene pool.Potato Research 19: 27–36.
5. International Potato Center (CIP), 1986. Annual report 1985. p. 43. Lima, Peru.