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• О закономерностях сланценакопленияPriiman, R.; Evert, Märt; Ozerov, GeorgiСборник научных трудов студентов. 41965 / с. 147-154 : илл https://www.ester.ee/record=b2181987*est https://digikogu.taltech.ee/et/Item/15040af2-b264-4339-b7b1-c0140de7d1c1