1. Abramova, L.I., 1977. Ocenka fertilnosti pylcy kollekcii digaploidov kartofelya (Evaluation of pollen fertility in a collection of potato dihaploids). Tr. po prikl, bot., gen. i selekcii, Leningrad 60(2): 34–38.
2. Budin, K.Z. & V.L., Broksh, 1974. Resultati otbora gaploidov Solanum tuberosum L. dlja ispolzovanija v selekcii (Results in extraction of S. tuberosum L. haploids for use in breeding). Tr. po prikl. bot., gen. i selekcii, Leningrad 53(1): 194–198.
3. Burke, M.C. & F.I. Lauer, 1990. Pollen viability indicators for predicting viability of reduced and unreduced gametes in Solanum tuberosum group phureja. EAPR Abstracts of the 11th Triennial Conf., July, 8–13, 1990, Edinburgh, UK, p. 518.
4. Carroll, C.P. & R.J., Low, 1976. Aspects of male fertility in group Tuberosum dihaploids. Potato Res. 19(1): 109–121.
5. Diakonu, P., 1962. Vestnik Nauki, Timirjasev Academy, Moskva, 8: 123–126.