TY  - RPRT
TI  - Further evidence for a black hole in Beta Lyrae.
AU  - Kondo, Y.
AU  - Mccluskey, G. E., Jr.
AU  - Houck, T. E.
PY  - 1972
UR  - https://ntrs.nasa.gov/citations/19730030835
ID  - 19730030835
ER  -