TY  - BOOK
AU  - Bolton Seed, H.
AU  - Idriss, I.M., coaut.Kiefer, F.W. coaut.
ED  - University of California, Earthquake Engineering Research C-enter.
TI  - Characteristics of rock motions during earthquakes / by H. -Bolton Seed, I.M. Idriss and F.W. Kiefer
CY  - Berkeley, Calif. : University of California, College of Engineering
ER  -