1. Abelev, A., Tubbs, K., Valent, P., 2009. Numerical investigation of dynamic free-fall penetrometers in soft cohesive marine sediments using a finite difference approach, 1–10.
2. Al-Kafaji, I.K.J., 2013. Formulation of a Dynamic Material Point Method (MPM) for Geomechanical Problems. Ph.D. thesis. University of Stuttgart, Stuttgart.
3. Albatal, A., 2018. Advancement of using portable free fall penetrometers for geotechnical site characterization of energetic sandy nearshore areas. Ph.D. thesis. Virginia Polytechnic Institute and State University.
4. In-situ geotechnical investigation of nearshore sediments with regard to cross- shore morphodynamics;Albatal;Geotech. Front.,2017
5. Interpretation of impact penetration measurements in soft clays;Aubeny;J. Geotech. Geoenviron. Eng.,2006