Soil mechanics and foundation engineering, seventh regional conference for Africa : proceedings... Accra, Jun 1980 / technical editors M. D. Gidigasu, A. A. Hammond, J. O. Gogo. - Rotterdam : A. A. Balkema, 1980 - 2v. : ill., parts. ; 25 cm. Includes bibliographical references ISBN: 9061910935 Subjects--Topical Terms: Soil mechanics--Congresses.Structural engineering--Congresses.Foundations--Congresses.Eartwork--Congresses.