Kehew, A. E. (2006). Geology for engineers and environmental scientists (3rd ed.). Prentice Hall.
Chicago-viite (17. p.)Kehew, Alan E. Geology for Engineers and Environmental Scientists. 3rd ed. Upper Saddle River, N.J: Prentice Hall, 2006.
MLA-viite (9. p.)Kehew, Alan E. Geology for Engineers and Environmental Scientists. 3rd ed. Prentice Hall, 2006.
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