TY - JOUR T1 - The NuSTAR Extragalactic Surveys: The Number Counts of Active Galactic Nuclei and the Resolved Fraction of the Cosmic X-Ray Background JO - Astrophysical Journal UR - https://eprints.whiterose.ac.uk/id/eprint/107851 UR - https://doi.org/10.3847/0004-637X/831/2/185 PY - 2016/11/10 AU - Harrison FA AU - Aird J AU - Civano F AU - Lansbury G AU - Mullaney JR AU - Ballantyne DR AU - Alexander DM AU - Stern D AU - Ajello M AU - Barret D AU - Bauer FE et al ED - DO - DOI: 10.3847/0004-637X/831/2/185 PB - American Astronomical Society VL - 831 IS - 2 Y2 - 2025/11/18 ER -