TY  - RPRT
TI  - Digital adaptive controllers for VTOL vehicles. Volume 1: Concept evaluation
AU  - Hartmann, G. L.
AU  - Stein, G.
AU  - Pratt, S. G.
PY  - 1979
UR  - https://ntrs.nasa.gov/citations/19800007805
ID  - 19800007805
ER  -