TY  - RPRT
TI  - A highly X-ray-variable active galactic nucleus near M101 - A microlensing candidate
AU  - Trinchieri, G.
AU  - Fabbiano, G.
AU  - Elvis, Martin
PY  - 1990
UR  - https://ntrs.nasa.gov/citations/19900050204
ID  - 19900050204
ER  -