por Sagan, Vincent E [autor] | Gergely, Peter [autor] | White, Richard N [autor].
por Imai, H [autor] | National Center for Earthquake Engineering Research (Estados Unidos).
por Thewalt, Christopher R [autor] | Mahin, Stephen A [autor] | University of California, Berkeley. Earthquake Engineering Research Center.
por Bhatti, M. A [autor] | Polak, E [autor] | Pister, K. S [autor] | University of California, Berkeley. Earthquake Engineering Research Center.