00304nam a2200097Ia 4500008004100000082002100041100001900062245007100081260004600152300000800198140113s9999    xx            000 0 und d  a311:634.1/8   J3  a"Pearce, S.C."  aField Experimentation with fruits trees and other perennial plants  a1953bCommonwealth Agric. BureaucEngland  a162