Haploids in crop improvement I / Edited by Y.P.S.Bajaj - Berlin : Springer-Verlag, 1990 - 549 p. : ill. ; 25 cm. - Biotechnology in agriculture and forestry 12 . ISBN: 0387507981 Subjects--Topical Terms: Plant propagation--In vitroHaploidyCrops--Genetic engineeringPlant breeding