Bothmer Roland, Von. An Ecogeographical study of the genus Hordeum / by Roland Von Bothmer ... [et al.]. - Rome : IBPGR, 1991. - 127 p. : ill., maps ; 25 cm. - Systematic and ecogeographic studies on crop genepools ; 7 . ISBN: 9290432071 Subjects--Topical Terms: Hordeum. Dewey Class. No.: 584.9 BOT