por Imbsen, Roy A [autor] | Nutt, Richard V [autor] | Penzien, Joseph [autor] | University of California, Berkeley. Earthquake Engineering Research Center | Estados Unidos. Federal Highway Administration.
por Tzong, Tsair-jyh [autor] | Gupta, Sunil [autor] | Penzien, Joseph [autor] | University of California, Berkeley. Earthquake Engineering Research Center.