1. Method of testing stone for expansive breakdown on soaking in ethylene glycol,1969
2. Boreability assessments for the Lesotho Highlands Water Project;Blindheim;Tunnels and Tunnelling,1991
3. Geotechnical investigation for Katse Dam, Lesotho;Brackley,1991
4. A proposed secondary mineral rating for basalt road aggregate durability;Cole;Proc. Australian Road Res. Board,1980
5. Accelerated soundness tests for altered basalts;Fielding,1982