1. Adams JI, Hayes DC (1967) The uplift capacity of shallow foundations. Ont Hydro Res Q 19(1):1–13
2. Meyerhof GG, Adams JI (1968) The ultimate uplift capacity of foundations. Can Geotech J 5(4):224–244
3. Meyerhof GG (1973) Uplift resistance of inclined anchors and piles, vol 2. In: Proceedings of 8th ICSMFE, pp 167–172
4. Radhakrishna KS (1976) ‘Helix anchor tests in sand’, Ontario Hydro Research Division, Research Report, 76–130K, pp 1–33
5. Udwari JJ, Rodgers TE, Singh H (1979) A rational approach to the design of high capacity multi helix screw anchors. In: Proceedings of the 7th IEEE/PES, transmission and distribution Conference and Exposition, 600–610, New York, USA