Lesotho

1. Rougier, D. (1993): L'aménagement des hauts plateaux du Lesotho. Les tunnels de transfert et de livraison. Dans: Travaux, n. 689 (juillet - août 1993), pp. 34-41.
2. Visser, Gerrit Armoni (2014): Co-operation and Development Projects: An African Perspective HA Mofutho Footbridge at Quasha's Nek, Lesotho. Présenté pendant: IABSE Symposium: Engineering for Progress, Nature and People, Madrid, Spain, 3-5 September 2014, pp. 924-929.

   https://doi.org/10.2749/222137814814067077

3. Laederach, Jean-Christophe (1971): Construction d'une maison expérimentale au Lesotho. Dans: Bulletin technique de la Suisse romande, v. 97, n. 9 (1 mai 1971).

   https://doi.org/10.5169/seals-71199

4. de Graaf, P. J. H. / Bell, F. G. (1997): The Delivery Tunnel North, Lesotho highlands water project. Dans: Geotechnical and Geological Engineering, v. 15, n. 2 (juin 1997), pp. 95-120.

   https://doi.org/10.1007/bf00880752

5. Richards, J. A. / Remmer, F. / Sharp, J. C. (1994): Design and construction of a segmental lining for a machine-bored tunnel: Delivery tunnel North, Lesotho highlands water project. Dans: Tunnelling and Underground Space Technology, v. 9, n. 1 (janvier 1994), pp. 91-99.

   https://doi.org/10.1016/0886-7798(94)90014-0