TY  - RPRT
TI  - Evolution of the cluster X-ray luminosity function slope
AU  - Henry, J. P.
AU  - Briel, U.
AU  - Gunn, J. E.
AU  - Soltan, A.
PY  - 1982
UR  - https://ntrs.nasa.gov/citations/19830030883
ID  - 19830030883
ER  -