TY  - BOOK
AU  - Abdel-Ghaffar, Ahmed Mansour.
AU  - Housner, G.W., coaut.
TI  - analysis of the characteristics of a suspension bridge by a-mbient vibration measurements / by A.M. Abdel-Ghaffar and G-.W. Housner
CY  - Pasadena, Calif. : Research Laboratory
ER  -