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O (Stack)MacDougal, D. T.
Studies in Tree-Growth by the Denographic Method
Carnegie Institution of Washington Publication no. 462. Washington, 1936. (Note by R. T. Gunther: This paper was acquired to illustrate the method carried out by A. Mallock with greater delicacy. His 'Dendrometer' is in Oxford Museum of the History of Science).
[Unknown]
1936