Reference Label	Details
Schulenburg 2008	A. M. Schulenburg, M. Meisinger, P .P. Radi, and F. Merkt, J. Mol. Spectrosc. 250, 44-50 (2008) The Formaldehyde Cation: Rovibrational Energy Level Structure and Coriolis Interaction near the Adiabatic Ionization Threshold