00494    a2200121   4500082001700000245005100017260007000068300001900138440009100157650003100248650006000279650003300339  a631.523bEUR  aReport of a workshop on beta genetic resources  aRomebInternational Board for Plant Genetic Resourcesc1987g1987  aiii,16p.c30cm  aEuropean cooperative programme for conservation and exchange of crop genetic resources  aCULTIVATION AND HARVESTING  aPRODUCTION OF PROPAGATIONAL ORGANISMS AND NEW VARIETIES  aDEVELOPMENT OF NEW VARIETIES