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 - .
1
Engineering geology-Congresses
55.624.13 Int:4:82-2
International congress : proceedings, 4th, 1982 = Congres internatioal : procedes, 4eme, 1982 - - New Delhi Oxford & IBH, 1982 - v.2 28 cm - .
1
Engineering geology-Congresses
55.624.13 Int:4:82-2