Fabricius, Maximilian Optical and Interpretative Astronomy, MPI for Extraterrestrial Physics, Max Planck Society;
Blanc, G. A., Schruba, A., Evans, N. J., Jogee, S., Bolatto, A., Leroy, A. K., et al. (2013). The VIRUS-P Exploration of Nearby Galaxies (VENGA): the X-CO gradient in NGC 628. The Astrophysical Journal, 764(2): 117, pp. 1-16. doi:10.1088/0004-637X/764/2/117.