Measuring the non-thermal pressure in early-type galaxy atmospheres: a comparison of X-ray and optical potential profiles in M87 and NGC 1399DOI: info:10.1111/j.1365-2966.2008.13507.xv. 3881062–1078
Churazov, Eugene, Forman, William R., Vikhlinin, Alexey A., Tremaine, S., Gerhard, O., and Jones, C. 2008. "Measuring the non-thermal pressure in early-type galaxy atmospheres: a comparison of X-ray and optical potential profiles in M87 and NGC 1399." Monthly Notices of the Royal Astronomical Society, 388 1062–1078. https://doi.org/10.1111/j.1365-2966.2008.13507.x.