1. Adams RA, Essex C (2010) Calculus (a complete course), Seventy Edition, Pearson, Canada – Toronto, p. 973
2. Akai K (1971) The failure surface of isotropic and anisotropic rocks under multiaxial stresses. J. Society Mater Sci. Jpn. 20(209):122–128
3. Aydın S (2018) Investigation of the anisotropy behavior of schists: case study, mica schists from Urkmez dam site, Graduate thesis, Dokuz Eylül University, Engineering Faculty, Geological Enginering Dept. Izmir/Turkey, s. 60
4. Behrestaghi MHN, Rao KS, Ramamurthy T (1996) Engineering geological and geotechnical responses of schistose rocks from dam project areas in India. Eng. Geo. 44(1-4):183–201
5. Elçi H (2003) Engineering geology of the Izmir-Selcuk District, Master of Science Thesis, Dokuz Eylul University, The Graduate School of Natural and Applied Sciences, p. 210