1. Ductility of r.c. buildings during Fruili earthquake;Benedetti;Boll. di Geofisica,1976
2. Collapse of a non seismic resistant r.c. building during the Friuli earthquake;Giuffré;Boll. di Geofisica,1976
3. Problems in establishing and predicting ductility in aseismic design;Mahin,1976
4. Use of ductility factors in aseismic design;Mahin,1975
5. A response spectrum approach for inelastic seismic design of nuclear reactor facilities;Newmark,1975