Media type: E-Article Title: Gas-Phase Zwitterions in the Absence of a Net Charge Contributor: Julian, Ryan R.; Jarrold, Martin F. Published: American Chemical Society (ACS), 2004 Published in: The Journal of Physical Chemistry A, 108 (2004) 49, Seite 10861-10864 Language: English DOI: 10.1021/jp047369l ISSN: 1089-5639; 1520-5215 Origination: Footnote: