Blyth, F.G.H. De Freitas, M.H.
A geology for engineers - 6th ed. - London Arnold 1974 - 557 p.
0-7131-2440-7
55:62 / B6
A geology for engineers - 6th ed. - London Arnold 1974 - 557 p.
0-7131-2440-7
55:62 / B6
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