1. Kieser, M. E., Pollard, A.and Timberlake, C. F. (1953). Factors affecting the quality and chemical constituents of strawberries : effects of manurial treatments. Ann. Rep. Long Ashton Res. Sta. for 1952, 163–77.
2. Pearce, S. C. (1953). Field experiments with fruit trees and other perennial plants. Bur. Hort. Plant. Crops East Mailing Tech. Commun. 23.