TY  - RPRT
TI  - Echo mapping of active galactic nuclei broad-line regions: Fundamental algorithms
AU  - Vio, Roberto
AU  - Horne, Keith
AU  - Wamsteker, Willem
PY  - 1994
UR  - https://ntrs.nasa.gov/citations/19950050111
ID  - 19950050111
ER  -