1. Shock-absorbing soft story concept for multistory earthquake structures;Fintel;ACI J.,1969
2. Earthquake resistance of buildings with a soft first story;Chopra;Earthquake Engng Struct. Dyn.,1973
3. Soft first stories: truths and myths;Arnold,1984
4. Personal communication with Professor M. Izumi, Tohoku University, Japan, June 1988
5. Union House-a cross braced structure with energy dissipators;Boardman;Bull. N. Zealand Nat. Soc. Earthquake Engng,1983