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