1. ‘Dynamic response of structures in layered soils’, Res. Rep. R74-10, MIT, No. 335 (1974).
2. ‘Forced vibrations of circular footings on layered media’, Res. Rep. R74-11, MIT, No. 336 (1974).
3. and , Vibrations of Soils and Foundations, Prentice-Hall, Englewood Cliffs, New Jersey, 1970.