TY  - RPRT
TI  - Improved procedures for eigenvalue approximation and sensitivities for active structures
AU  - Ponslet, Eric
AU  - Haftka, Raphael T.
AU  - Cudley, Harley H.
PY  - 1992
UR  - https://ntrs.nasa.gov/citations/19930036308
ID  - 19930036308
ER  -