International congress : proceedings, 4th, 1982 = Congres international, 4eme, 1982
International Association of Engineering Geology, India
International congress : proceedings, 4th, 1982 = Congres international, 4eme, 1982 - - New Delhi Oxford & IBH Pub., 1982 - v.3 28 cm - .
0
Engineering geology-Congresses
55:624.13 Int:4:82-3
International congress : proceedings, 4th, 1982 = Congres international, 4eme, 1982 - - New Delhi Oxford & IBH Pub., 1982 - v.3 28 cm - .
0
Engineering geology-Congresses
55:624.13 Int:4:82-3