Velde, B. (1985). Clay minerals: :A physico-chemical explanation of their occurrence. Amsterdam Elsevier.
Chicago-stil citatVelde, B. Clay Minerals: :A Physico-chemical Explanation of Their Occurrence. New york: Amsterdam Elsevier, 1985.
MLA-referensVelde, B. Clay Minerals: :A Physico-chemical Explanation of Their Occurrence. Amsterdam Elsevier, 1985.
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