1. Fruit-bud formation in Cox's Orange Pippin;Abbott;Rpt. Long Ashton Res. Sta.,1977
2. Spur-type sports in apples;Arasu;Annu. Rpt. East Malling Res. Sta.,1968
3. A review of the literature on stock-scion incompatibility in fruit trees, with particular reference to pome and stone fruits;Argles;Imp. Bur. Fruit Prod. Tech. Common.,1937
4. The distribution and effectiveness of the roots of tree crops;Atkinson;Hort. Rev.,1980