Johansson, Å. (1984). The geology and genesis of lead-zinc veins in Sweden. Dept. of Geology, Stockholm University.
Čikaški stil citiranja (17. izdanje)Johansson, Åke. The Geology and Genesis of Lead-zinc Veins in Sweden. Stockholm, Sweden: Dept. of Geology, Stockholm University, 1984.
MLA način citiranja (8. izdanje)Johansson, Åke. The Geology and Genesis of Lead-zinc Veins in Sweden. Dept. of Geology, Stockholm University, 1984.
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