Papers presented at the small symposia of the XII International - Tokyo : The Genetics Society of Japan, 1969 - 453 p. : ilus. - The Japanese Journal of Genetics ; v.44 suppl.1 . - The Japanese Journal of Genetics ; v.44 suppl.1 . LCCN: 26824 Subjects--Topical Terms: Genética--Congresos. Dewey Class. No.: 575.1063 / C65 1968