TY  - RPRT
TI  - Integrated force method versus displacement method for finite element analysis
AU  - Patnaik, Surya N.
AU  - Berke, Laszlo
AU  - Gallagher, Richard H.
PY  - 1990
UR  - https://ntrs.nasa.gov/citations/19900008765
ID  - 19900008765
ER  -