(Accra)The 7th Regional Conference for Africa on Soil Mechanics ��� Foundation Engineering (Accra)Regional Conference for Africa on Soil Mechanics ��� Foundation Engineering The 7th Regional Conference for Africa on Soil Mechanics & Foundation Engineering Regional Conference for Africa on Soil Mechanics & Foundation Engineering (Stockholm)International Conference on Soil Mechanics ��� Foundation Engineering Sixth European conference on soil mechanics and foundation engineering (Tokyo)International Conference on Soil Mechanics and Foundation Engineering (1973)International Conference on Soil Mechanics and Foundation Engineering International Conference on Soil Mechanics and Foundation Engineering (Montreal)International Conference on Soil Mechanics and Foundation Engineering