Media type: E-Article Title: The molecular structure of amphoteric theophylline Contributor: Bombicz, P.; Madarász, J.; Czugler, M.; Kálmán, A. Published: International Union of Crystallography (IUCr), 2002 Published in: Acta Crystallographica Section A Foundations of Crystallography, 58 (2002) s1, Seite c312-c312 Language: Not determined DOI: 10.1107/s0108767302097477 ISSN: 0108-7673 Keywords: Structural Biology Origination: Footnote: