1. Kotowski, F. 1926. Temperature relations to germination of vegetable seed. Proc. Amer. Soc. Hort. 23: 176–184.
2. Odland, M. L. 1938. Immediate germination of certain selfed and hybrid potato seed. Amer. Potato Jour. 15: 67–71.
3. Stcherbacheva, V. D. 1930. Potato breeding (Rpt. 1925-29). Pub. Nossovka Agr. Exp. Sta. No. 112: 79. Abstract in Plant Breeding Abstracts 2:96.
4. Stevenson, F. J., and Milstead, E. H. 1932. Potato breeding technique. Amer. Potato Jour. 9: 111.
5. Stier, H. L. 1937. Delayed germination in seeds of the potato. Proc. Amer. Soc. Hort. Sci. 34: 433–435.