00318nam a2200109Ia 450000500170000000800410001708200120005810000180007024500680008826000440015630000080020020260224040901.0260224s9999||||xx |||||||||||||| ||und||  a634 PEA  aPearce, S.C.  0aField experimentation with fruit trees & other periennal plants  aLondon: Commonwealth Agri. Beauruc1976  a182