TY  - RPRT
TI  - Resolving the extragalactic hard X-ray background
AU  - RF Mushotzky
AU  - LL Cowie
AU  - AJ Barger
AU  - KA Arnaud
PY  - 2000
DO  - 10.1038/35006564
UR  - https://pubmed.ncbi.nlm.nih.gov/10761906/
ID  - 10761906
ER  -