TY  - BOOK
AU  - Caughey, T.K.
AU  - Hudson, D.E., coaut.Powell, R.W., coaut.
TI  - C.I.T. Mark II electric analog type response spectrum analy-zer for earthquake excitation studies / by T.K. Caughey , -D.E. Houdson and R.V. Powell
CY  - Pasadena, Calif. : Research Laboratory
ER  -