TY - PRO AU - Ranieri,R. AU - Burnett,P.A. AU - Lister,R.M. AU - Mezzalama,M. TI - The seasonal occurrence of barley yellow dwarf virus serotypes in small grain cereals in the Valley of Mexico PY - 1992/// CY - Bari (Italy) PB - ISPP|CIHEAM|Universita di Bari|CNR KW - Barley yellow dwarf virus KW - Elisa KW - Hordeum vulgare KW - Mexico (province) N1 - Abstract only ER -