TY - BOOK AU - Nitzsche,Werner,1932- AU - Wenzel,Gerhard TI - Haploids in plant breeding SN - 3489750101 PY - 1977/// CY - Berlin PB - Verlag Paul Parey KW - Plant KW - Breeding KW - Haploidy N1 - 'Advances in plant breeding: supplement 8 to Journal of Plant Breeding'; Includes bibliography ( p.81-94 ) and index ER -