Borchert, H. (1964). Salt deposits. D. Van Nostrand Company, Ltd.
Lua i Stíl Chicago (17ú heag.)Borchert, Hermann. Salt Deposits. London: D. Van Nostrand Company, Ltd, 1964.
Lua MLA (9ú heag.)Borchert, Hermann. Salt Deposits. D. Van Nostrand Company, Ltd, 1964.
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