1. The effects on earthquakes on buildings with a flexible first story;Martel;Bulletin of the Seismological Society of America,1929
2. Flexible first story construction for earthquake resistance;Green;Transactions, American Society of Civil Engineers,1935
3. Jacobsen LS Effects of a flexible first storey in a building located on vibrating ground S Timoshenko 60th Anniversary Volume 1938 93 103
4. Steady-state response of yielding shear structure;Iwan;Journal of the Engineering Mechanics Division Proc. (ASCE),1970
5. Earthquake resistance of buildings with a soft first story;Chopra;Earthquake Engineering & Structural Dynamics,1973