Blyth, F. G. H. (1974). Geology for engineers (6th ed.). English Language Books Society.
Chicago Style aipamenaBlyth, F G H. Geology for Engineers. 6th ed. London: English Language Books Society, 1974.
MLA aipamenaBlyth, F G H. Geology for Engineers. 6th ed. English Language Books Society, 1974.
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