Glock, W. S., Douglass, A. E., & Pearson, G. A. (1937). Principles and methods of tree-ring analysis: With a forew. by A. E. Douglass and a contribution by G[ustav] A[dolph] Pearson.
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Lua i Stíl Chicago (17ú heag.)
Glock, Waldo Summer, A. E. Douglass, agus Gustav Adolph Pearson. Principles and Methods of Tree-ring Analysis: With a Forew. by A. E. Douglass and a Contribution by G[ustav] A[dolph] Pearson. Washington, 1937.
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Lua MLA (9ú heag.)
Glock, Waldo Summer, et al. Principles and Methods of Tree-ring Analysis: With a Forew. by A. E. Douglass and a Contribution by G[ustav] A[dolph] Pearson. 1937.
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