1. Afifi, S.E.A., 1970. Effects of Stress History on the Shear Modulus of Soils. Thesis, Dep. Civ. Eng., Univ. Michigan, Ann Arbor, Michigan.
2. Surface motion of a layered medium having an irregular interface due to incident plane SH waves;Aki;J. Geophys. Res.,1970
3. Ambraseys, N.N., 1970. Factors controlling the earthquake response of foundation materials. Proc. 3rd European Symp. Earthquake Eng., Sofia, pp. 309–323.
4. Ambraseys, N.N., 1973. Dynamics and response of foundation materials in epicentral regions of strong earthquakes Proc. 5th World Conf. Earthquake Eng., Rome, pp. CXXVI-CXLVIII.
5. Liquefaction of soils induced by earthquakes;Ambraseys;Bull. Seismol. Soc. Am.,1969