Luig, Nobert H.. Advances in Plant Breeding, vol.11: A Survey of Virulence Genes in wheat Stem Rust, Puccinia Graminis f. sp. tritici / - Berlin : Verlag Paul Parey , 2000 - 198p ; ISBN: 3-489-74110-2 Subjects--Topical Terms: Botany Dewey Class. No.: I:4p1,N68 / M3