REFERENCES
- Alexander D. E. and Beckett J. B., 1963. — Spontaneous triploidy and tetraploidy in maize. Journal of Heredity, 3: 103–106.
- Cavanah J. A. and Alexander D. E., 1963. — Survival of tetraploid maize in mixed 2n-4n plantings. Crop Science, 3: 329–331.
- Mcclintock B., 1929. — A cytological and genetical study of triploid maize. Genetics. 14: 180–222.
- Pantulu J. V., 1968. — Meiosis in an autotriploid pearl millet. Caryologia, 21: 11–15.
- Punyashing K., 1947. — Chromosome numbers in crosses of diploid, triploid and tetraploid maize. Genet., 32: 541–554.
- Raicu P. and Chirila R., 1971. — Analiza citogenetica la Zea mays 3n si 4n si frecventa aneuploizilor in descendenta triploizilor. Genetica, Ed. S.S.B.
- Randolph L. F. and Mcclintock B., 1926. — Polyploidy in Zea mays L. Am. Nat., 60: 99–102.
- Randolph L. F., 1935. — Cytogenetics of tetraploid maize. Jour. Agri. Res., 50: 591–605.
- Rhoades M. M., 1936. — Note on the origin of triploidy in maize. Jour. Genet., 33: 355–357.