Metastable C3H52+ produced by electron impact of propane Gluch, K. ; Matt-Leubner, S. ; Echt, O. ; Scheier, P. ; Märk, T. D. Abstract Publication: Vacuum Pub Date: June 2007 DOI: 10.1016/j.vacuum.2007.01.002 Bibcode: 2007Vacuu..81.1129G