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3. Chromosomal chimeras in Crepis.;Hollingshead;Univ. California Publ. Agr. Sci.,1928
4. Kihara Hitoshi Yukio Yamamoto Sigeo Hosona 1931 A list of chromosome numbers of plants cultivated in Japan
5. Chromosome variation in Crocus.;Mather;Jour. Genetics,1932