TY - BOOK ED - Indian Society of Engineering Geology TI - Proceedings: 4th International congress International Association of Engineering Geology, India 1982 SN - 906191275X PY - 1982/// CY - Rotterdam PB - A. A. Balkema KW - Engineering geology KW - Congresses N1 - Organized by the Indian Society of Engineering Geology; Includes bibliographical references ER -