X-ray emitting hot plasma in solar active regions observed by the SphinX spectrometerM. Miceli, F. Reale, S. Gburek, S. Terzo, M. Barbera, A. Collura, J. Sylwester, M. Kowalinski, P. Podgorski and M. GryciukA&A, 544 (2012) A139DOI: https://doi.org/10.1051/0004-6361/201219670