1. Thirty-second supplement to the American Ornithologists' Union Check-list of North-American birds;A.O.U.;Auk,1973
2. The comparative DNA content of 19 species of placental mammals, reptiles, and birds;Atkin;Chromosoma,1965
3. Genome size in birds;Bachmann;Chromosoma,1972
4. DNA comparisons among barley, oats, rye, and wheat;Bendich;Genetics,1970