Apple frameworks and rootstocks in British Columbia Mann, A. J. creator Keane, F. W. L. contributor Lapins, K. O. contributor Canada. Agriculture Canada contributor text book Ottawa Dept of Agriculture 1953 1953
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ENG "Publication 898" Apples British Columbia Grafting Growth Rootstocks Canada. Dept. of Agriculture. publication, no. 898 https://www.biodiversitylibrary.org/bibliography/59667 10.5962/bhl.title.59667 CaOOAG