1. Hawkins, N.M., (Ed.),Reinforced Concrete Structures in Seismic Zones (ACI-Publication, SP-53, 1977).
2. Wight, J.K., (Ed.),Earthquake Effects on Reinforced Concrete Structures (ACI-Publication, SP-84, 1985).
3. Mutsuyoshi, H. and Machida, A.,Dynamic Properties of Reinforced Concrete Piers (Transactions of the Japan Concrete Institute, Vol. 4, 1982), pp. 424–436.
4. Mutsuyoshi, H. and Machida, A.,Force Displacement Characteristics of Reinforced Concrete Piers (Transactions of the Japan Concrete Institute, Vol. 3, 1981) pp. 399–406.
5. Wilby, G.K.,Response of Concrete Structures to Seismic Motions, PhD thesis; Univ. Canterbury, New Zealand, 1975.