TY  - RPRT
TI  - Singular plastic element: NASTRAN implementation and application
AU  - Hussain, M. A.
AU  - Pu, S. L.
AU  - Lorensen, W. E.
PY  - 1977
UR  - https://ntrs.nasa.gov/citations/19780004518
ID  - 19780004518
ER  -