1. Design of columns for seismic loads;Gurpinar,1973
2. Column response to horizontal-vertical earthquakes;Lin,1980
3. Response of structures subjected to horizontal-vertical random earthquake excitations;Orabi;Soil Dynamics and Earthquake Engineering,1988
4. Vertical load effect on hysteretic columns;Shih,1982
5. Response of structure to horizontal-vertical-earthquakes;Orabi,1987