1. Studies in the measurement of apple trees. I. The use of trunk girth to estimate tree size;Pearce;A. Rep. E. Malling Res. Stn, 1951,1952
2. Studies in the measurement of apple trees. III. The use of branch girth as a substitute for the trunk girth;Pearce;A. Rep. E. Malling Res. Stn, 1955,1956
3. Sampling methods for the measurement of extension growth on apple trees;Jolly;A. Rep. E. Malling Res. Stn, 1957,1958
4. Randomized branch sampling for estimating fruit number;Pearce;Biometrics,1957
5. The reduction in growth of apple trees brought about by fruiting;Maggs;J. hort. Sci.,1963