Media type: E-Article Title: Site of Protonation of Nicotine and Nornicotine in the Gas Phase: Pyridine or Pyrrolidine Nitrogen? Contributor: Graton, Jérôme; Berthelot, Michel; Gal, Jean-François; Girard, Sandrine; Laurence, Christian; Lebreton, Jacques; Le Questel, Jean-Yves; Maria, Pierre-Charles; Nauš, Petr Published: American Chemical Society (ACS), 2002 Published in: Journal of the American Chemical Society, 124 (2002) 35, Seite 10552-10562 Language: English DOI: 10.1021/ja017770a ISSN: 0002-7863; 1520-5126 Origination: Footnote: