TY  - RPRT
TI  - Accuracy of finite element approximations to structural problems
AU  - Cyrus, N. J.
AU  - Eppink, R. T.
AU  - Fulton, R. E.
AU  - Walz, J. E.
PY  - 1970
UR  - https://ntrs.nasa.gov/citations/19700012403
ID  - 19700012403
ER  -