TY  - BOOK
AU  - Crawford, Clair C.
TI  - Proposed earthquake loadings for the design of thin arch da-ms / by Clair C. Crawford and Merlin D. Copen
CY  - [San Francisco, Calif.] : [ASCE]
N1  - "A paper to be presented at the ASCE Annual Meeting and Str-uctural Engineering Conference, San Francisco, California, -October 1963"
ER  -