1. Chen, F.H.: Foundations on Expansive Soils. Elsevier (2012)
2. Abduljauwad, S.N.: Study on the performance of calcareous expansive clays. Bull. Assoc. Eng. Geol. 30, 481–498 (1993)
3. Al-Rawas, A.A.: The factors controlling the expansive nature of the soils and rocks of northern Oman. Eng. Geol. 53, 327–350 (1999)
4. Puppala, A.J., Katha, B., Hoyos, L.R.: Volumetric shrinkage strain measurements in expansive soils using digital imaging technology. Geotech. Test. J. 27, 547–556 (2004)
5. Puppala, A.J., Manosuthikij, T., Chittoori, B.C.S.: Swell and shrinkage characterizations of unsaturated expansive clays from Texas. Eng. Geol. 164, 187–194 (2013)