HAWC Collaboration, Abeysekara, A. U., Albert, A., Alfaro, R., Alvarez, C., Álvarez Romero, J., et al. (2022). Characterizing gamma-ray sources with HAL (HAWC Accelerated likelihood) and 3ML. Proceedings of Science, 395: 828. doi:10.22323/1.395.0828.