Media type: E-Article Title: A hierarchy of approximate models for the Maxwell equations Contributor: Raviart, Pierre-Arnaud; Sonnendrücker, Eric Published: Springer Science and Business Media LLC, 1996 Published in: Numerische Mathematik, 73 (1996) 3, Seite 329-372 Language: Not determined DOI: 10.1007/s002110050196 ISSN: 0029-599X; 0945-3245 Origination: Footnote: