Chandra and XMM-Newton observations of NGC 6251

Evans, D.A., Hardcastle, M.J., Croston, J.H., Worrall, D.M. and Birkinshaw, M. (2005) Chandra and XMM-Newton observations of NGC 6251. Monthly Notices of the Royal Astronomical Society (MNRAS), 359 (1). pp. 363-382. ISSN 1365-2966