Farmer, I. (1983). Engineering behaviour of rocks (2nd ed.). London: Chapman and Hall.
Παραπομπή Chicago StyleFarmer, Ian. Engineering Behaviour of Rocks. 2nd ed. London: Chapman and Hall, 1983.
Παραπομπή MLAFarmer, Ian. Engineering Behaviour of Rocks. 2nd ed. London: Chapman and Hall, 1983.
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