TYRRELL, G. (1967). Principles of petrology : an introduction: To the science of rocks. Methuen.
Chicago-čujuhus (17. p.)TYRRELL, G.W. Principles of Petrology : An Introduction: To the Science of Rocks. London: Methuen, 1967.
MLA-čujuhus (9. p.)TYRRELL, G.W. Principles of Petrology : An Introduction: To the Science of Rocks. Methuen, 1967.
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