Bolton, T. (1989). Geological maps : their solution and interpretation: Their solution and interpretation. Cambridge University Press.
Citace podle Chicago (17th ed.)Bolton, T. Geological Maps : Their Solution and Interpretation: Their Solution and Interpretation. Cambridge: Cambridge University Press, 1989.
Citace podle MLA (9th ed.)Bolton, T. Geological Maps : Their Solution and Interpretation: Their Solution and Interpretation. Cambridge University Press, 1989.
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