Media type: E-Article Title: Line ratios for helium-like ions: Applications to collision-dominated plasmas Contributor: Porquet, D.; Mewe, R.; Dubau, J.; Raassen, A. J. J.; Kaastra, J. S. Published: EDP Sciences, 2001 Published in: Astronomy & Astrophysics, 376 (2001) 3, Seite 1113-1122 Language: Not determined DOI: 10.1051/0004-6361:20010959 ISSN: 0004-6361; 1432-0746 Origination: Footnote: Access State: Open Access