Authors: BONIFACE A MCKELVEY JG NTHAKO S SCHMIDT NFB

Citation: A. Boniface et al., TUNNELING PROJECTS IN SOUTHERN AFRICA, Tunnelling and underground space technology, 13(1), 1998, pp. 3-13

Authors: BONIFACE A MCKELVEY JG NTHAKO S

Citation: A. Boniface et al., PLANNING AND DESIGN OF THE TRANSFER TUNNEL FOR THE LESOTHO-HIGHLANDS-WATER-PROJECT, Tunnelling and underground space technology, 9(1), 1994, pp. 79-89