TY  - RPRT
TI  - Computer program performs stiffness matrix structural analysis
AU  - Bamford, R.
AU  - Batchelder, R.
AU  - Schmele, L.
AU  - Wada, B. K.
PY  - 1968
UR  - https://ntrs.nasa.gov/citations/19680000096
ID  - 19680000096
ER  -