HAWC Collaboration, Abeysekara, A. U., Albert, A., Alfaro, R., Alvarez, C., Álvarez Romero, J., et al. (2022). A Novel Approach towards the Search for Gamma-ray Emission from the Northern Fermi Bubble with HAWC. Proceedings of Science, 395: 850. doi:10.22323/1.395.0850.