Klocker, S. (1926). Der Wald in der Volkswirtschaft.
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Tohutoru Kātū Chicago (17th ed.)
Klocker, Sigbert. Der Wald in Der Volkswirtschaft. [Innsbruck], 1926.
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Tohutoro MLA (9th ed.)
Klocker, Sigbert. Der Wald in Der Volkswirtschaft. 1926.
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