1. International Conference of Building Officials, Uniform Building Code, 1992.
2. International Association for Earthquake Engineering, Earthquake Resistant Regulations, A World List, Tokyo, 1992.
3. National Building Code of Canada, 1985, Associate Committee on the National Building Code, National Research Council of Canada, Ottawa, Ontario.
4. and , Vibration of Structures Induced by Ground Motion, Shock and Vibration Handbook, 2nd edition, McGraw-Hill, New York, 1976.
5. and , ‘Accidental and natural torsion in buildings’, EERC Report (to be published).