1. , and , ‘Philippines, Luzon earthquake of 2 August 1968’, Unesco, Paris (1969).
2. and , ‘Philippines, eastern Luzon earthquake of 7 April 1970’, Unesco, Paris (1970).
3. Behavior of Reinforced Concrete Under Repeated Load
4. ‘Proposed building code amendments—group II—resulting from the San Fernando earthquake’, Building and Safety Commission, City of Los Angeles, File No. 72.501.5 (1972).