TY  - RPRT
TI  - Estimation of running frequency spectra using a Kalman filter algorithm.
AU  - D W Skagen
PY  - 1988
DO  - 10.1016/0141-5425(88)90011-8
UR  - https://pubmed.ncbi.nlm.nih.gov/3392979/
ID  - 3392979
ER  -