TY  - RPRT
TI  - Accuracy of an approximate static structural analysis technique based on stiffness matrix eigenmodes
AU  - Sobieszczanski-Sobieski, J.
AU  - Hajela, P.
PY  - 1979
UR  - https://ntrs.nasa.gov/citations/19790044250
ID  - 19790044250
ER  -