TY  - BOOK
CN  - NAS 1.55:
CY  - [Washington] :
CY  - Springfield, Va. :
DA  - 1978.
ID  - 180209
KW  - Control theory
KW  - Flight control
KW  - Space vehicles
PB  - National Aeronautics and Space Administration,    Scientific and Technical Information Office ;
PB  - for sale by the National Technical Information Service,
PP  - [Washington] :
PP  - Springfield, Va. :
PY  - 1978.
T1  - Fourth NASA Inter-Center Control Systems Conference :a          conference sponsored by NASA Headquarters, Washington, D.C., hosted by the NASA Electronics Research Center, Cambridge, Massachusetts and held at Boston,       Massachusetts, November 4-5, 1969.
TI  - Fourth NASA Inter-Center Control Systems Conference :a          conference sponsored by NASA Headquarters, Washington, D.C., hosted by the NASA Electronics Research Center, Cambridge, Massachusetts and held at Boston,       Massachusetts, November 4-5, 1969.
ER  -