Complete next-to-next-to-leading order calculation of NN → NNπ in chiral effective field theoryA. A. Filin, V. Baru, E. Epelbaum, C. Hanhart, H. Krebs, A. E. Kudryavtsev and F. MyhrerEPJ Web of Conferences, 81 (2014) 03003DOI: https://doi.org/10.1051/epjconf/20148103003