Assmann, E., & Sabine H. Gardiner. (1970). Principles of forest yield study. Pergamon Press.
Chicago Style aipamenaAssmann, Ernst, and Sabine H. Gardiner. Principles of Forest Yield Study. Pergamon Press, 1970.
MLA aipamenaAssmann, Ernst, and Sabine H. Gardiner. Principles of Forest Yield Study. Pergamon Press, 1970.
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