Docenko, D. High Energy Astrophysics, MPI for Astrophysics, Max Planck Society;
Sunyaev, R. A. High Energy Astrophysics, MPI for Astrophysics, Max Planck Society;
Docenko, D., & Sunyaev, R. A. (2008). Optical and near-infrared recombination lines of oxygen ions from Cassiopeia A knots. Astronomy & Astrophysics, 484(3), 755-771. doi:10.1051/0004-6361:200809579.