TY  - RPRT
TI  - Rotorcraft flying qualities improvement using advanced control
AU  - Walker, D.
AU  - Postlethwaite, I.
AU  - Howitt, J.
AU  - Foster, N.
PY  - 1993
UR  - https://ntrs.nasa.gov/citations/19940008830
ID  - 19940008830
ER  -