1. Stresses in Foundation at Boulder Dam;Lieurance,1933
2. Measurement of rock pressure;Mohr;Mine Quarry Engng,1956
3. Measurement of residual stress by the strain relief method;Olsen;Color. Sch. Mines,1957
4. The measurement of stress in rock, Parts I, II, and III;Leeman;Jl S. Afr. Inst. Min. Metall.,1964
5. The measurement of stress in rock, Parts I, II, and III;Leeman;Jl S. Afr. Inst. Min. Metall.,1964