International congress : proceedings, 4th, 1982 = Congres internatioal : procedes, 4eme, 1982

International Association of Engineering Geology, India

International congress : proceedings, 4th, 1982 = Congres internatioal : procedes, 4eme, 1982 - - New Delhi Oxford & IBH, 1982 - v.2 28 cm - .

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Engineering geology-Congresses

55.624.13 Int:4:82-2

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