00409naa a2200145 a 450000100080000000500110000800800410001910000180006024500610007826000090013965300090014865300180015770000160017577300720019110930131997-07-11       1972    bl ---       0--  u    #d1 aSTADLER, J.D.  aRootstocks for pears, selected by professor A.F. de Wet.  c1972  aPERA  aPORTA-ENXERTO1 aALLISON, E.  tThe Deciduous Fruit Grower, Cape Towngv.22, n.11, p.270-273, Nov..