Werner, N., Böhringer, H., Kaastra, J. S., de Plaa, J., Simionescu, A., & Vink, J. (2006). XMM-Newton high-resolution spectroscopy reveals the chemical evolution of M 87. Astronomy & Astrophysics, 459(2), 353-360. doi:10.1051/0004-6361:20065678.