@inproceedings{Regis:20181a,
  author = "Regis, Marco",
  title = "{Correlation between Gamma-ray Sky and Catalogs of Galaxies and Galaxy Clusters}",
  doi = "10.22323/1.306.0015",
  booktitle = "Proceedings of XII Multifrequency Behaviour of High Energy Cosmic Sources Workshop {\textemdash} PoS(MULTIF2017)",
  year = 2018,
  volume = "306",
  pages = "015"
}