Proceedings and papers of the second International congress of soil science, Leningrad-Moscow, USSR, July 20-31, 1930: Proceedings. Excursion

Proceedings and papers of the second International congress of soil science, Leningrad-Moscow, USSR, July 20-31, 1930: Proceedings. Excursion PDF Author: Leningrad and Moscow International congress of soil science. 2d
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Category : Soil science
Languages : de
Pages : 168

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