Nitzsche, Werner. Haploids in plant breeding - Berlin : Paul Parey, 1977 - 101 p. : ilus. - Advances in plant breeding ; 8 . - Advances in plant breeding ; 8 . LCCN: 32639 Subjects--Topical Terms: Genética vegetal.Plantas--Mejoramiento. Dewey Class. No.: 631.522 / N5