Scaringi, S. High Energy Astrophysics, MPI for Extraterrestrial Physics, Max Planck Society;
Barentsen, G., Farnhill, H. J., Drew, J. E., González-Solares, E. A., Greimel, R., Irwin, M. J., et al. (2014). The second data release of the INT Photometric Hα Survey of the Northern Galactic Plane (IPHAS DR2). Monthly Notices of the Royal Astronomical Society, 444(4), 3230-3257. doi:10.1093/mnras/stu1651.