TY  - BOOK
AU  - Newmark, N.M.
AU  - D'Appolonia, E., coaut.Austin, W.J., coaut.
TI  - Three papers on numerical methods of stress analysis / by N-.M. Newmark, E.D'Appolonia and W.J. Austin
CY  - Urbana, Illinois : University of Illinois, Department of Civil Engineering
ER  -