TY  - RPRT
TI  - Free-Vibration Analysis of Rotating Beams by a Variable-Order Finite-Element Method
AU  - Hodges, Dewey H.
AU  - Rutkowski, Michael J.
PY  - 1981
UR  - https://ntrs.nasa.gov/citations/19980033935
ID  - 19980033935
ER  -