TY  - BOOK
AU  - Llera, Juan C. de la
AU  - Chopra, Anil K., coaut.
ED  - University of California, Berkeley. Earthquake Engineering -Research Center
TI  - Accidental and natural torsion in the earthquake response a-nd design of buildings / by Juan C. de la Llera, Anil K. Ch-opra
CY  - Berkeley, Calif. : g Research Center
ER  -