X-ray photoionized plasma diagnostics with helium-like ions. Application to warm absorber-emitter in active galactic nuclei
Astron. Astrophys. Suppl. Ser., 143 3 (2000) 495-514
Published online: 2000-05-15
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https://doi.org/10.1111/j.1365-2966.2006.11291.x
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https://doi.org/10.1088/0953-4075/39/17/005