TY - GEN AU - IBPGR TI - Report of an international barley working session : held at the Zentral- institut fur Genetik und Kultur- pflanzenforschung (ZIGuK), Gatersleben GDR, 21 April 1989 U1 - 633.1 PY - 1989/// CY - Rome PB - IBPGR KW - BARLEY IBPGR ER -