1. Ata, A., O’Neill, M., 2000. The physicochemical interaction between PHPA polymer slurry and cement mortar. Geotechnical Testing Journal, 23(2):225–235. [doi:10.1520/GTJ11047J]
2. Barla, G., Barla, M., Camusso, M., Martinotti, M.E., 2007 Setting up a New Direct Shear Testing Apparatus. The Second Half Century of Rock Mechanics, 11th Congress of the International Society for Rock Mechanics, Lisbon, 1:415–418.
3. Brown, D., 2002. Effect of construction on axial capacity of drilled foundations in piedmont soils. Journal of Geotechnical and Geoenvironmental Engineering, 128(12): 967–973. [doi:10.1061/(ASCE)1090-0241(2002)128:12(967)]
4. Camp, W.M., Brown, D.A., Mayna, P.W., 2002. Construction Methods Effects on Drilled Shaft Axial Performance. Proceedings of the International Deep Foundations Congress, Reston, USA, p.193–208. [doi:10.1061/40601(256)14]
5. Cernak, B., 1973. The Time Effect of Suspension on the Behavior of Piers. Proceedings of Sixth European Conference on Soil Mechanics and Foundation Engineering, Vienna, Austria, p.111–114.