TY  - RPRT
TI  - A covariance analysis algorithm for interconnected systems
AU  - Cheng, Victor H. L.
AU  - Curley, Robert D.
AU  - Lin, Ching-An
PY  - 1987
UR  - https://ntrs.nasa.gov/citations/19870063273
ID  - 19870063273
ER  -