1. Tentative provisions for the development of seismic regulations for buildings;Applied Technology Council,1978
2. NEHRP recommended provisions for the development of seismic regulations for new buildings;Federal Emergency Management Agency (FEMA),1988
3. National Building Code of Canada 1990;Associate Committee on the National Building Code,1990
4. Eurocode EC8: Structures in seismic regions; Part 1, General design and building;Commission of the European Communities;Report EUR 12266 EN,1989
5. Aseismic code design provisions for torsion in asymmetric buildings;Chandler;Struc. Engng Rev.,1988