TY  - RPRT
TI  - The Medium Sensitivity Survey and the X-ray selected quasar sample
AU  - Gioia, Isabella M.
AU  - Maccacaro, Tommaso
AU  - Schild, Rudolph
AU  - Stocke, John
AU  - Danziger, John
PY  - 1986
UR  - https://ntrs.nasa.gov/citations/19870043969
ID  - 19870043969
ER  -