"Thermal X-ray emission from shocked ejecta in Type Ia Supernova Remnants. Prospects for explosion mechanism identification", Badenes, Bravo, Borkowski, and
Dominguez;
http://arxiv.org/abs/astro-ph/0304552
"Thermal X-Ray Emission from Shocked Ejecta in Type Ia Supernova Remnants II: Parameters Affecting the Spectrum", Badenes, Borkowski, and Bravo;
http://arxiv.org/abs/astro-ph/0501301