Rosello.J.M.E. Gorostiza.M.F.D. Technical Guidelines for Field Variety Trials - Food and Agriculture Organization of the United Nations. Rome 1993 - 119p. ILL., Fig and Table - FAO Plant Production and Protection Paper ; 75 . ISBN: 92-5-102486-3 Nat. Bib. No.: 6696 Subjects--Topical Terms: Agriculture Universal Decimal Class. No.: 630 / ROS