00702cam a2200181 a 4500020001500000040000900015082002100024245012300045260004300168300004000211500011100251650003200362650003200394650001000426700001900436710005400455710001100509  a9686127399  cDNAL  a633 CIM 1990 Or.00aWorld perspectives on barley yellow dwarf :bproceedings of the international workshop, July 6-11, 1987, Udine Italy /  aMexico, D.F., Mexico :bCIMMYT,c1990.  axvi, 511 p. :bill., maps ;c25 cm.  a"Sponsored by: Dipartimento cooperazione allo sviluppo, International Maize and Wheat Improvement Center." 0aBarley yellow dwarf disease 0aBarley yellow dwarf viruses 0aGrain1 aBurnett, P. A.2 aInternational Maize and Wheat Improvement Center.1 aItaly.