Germann, Matthias, Xin Tong, and Stefan Willitsch. “Forbidden Vibrational Transitions in Cold Molecular Ions: Experimental Observation and Potential Applications”. CHIMIA 69, no. 4 (April 29, 2015): 213. Accessed April 27, 2024. https://www.chimia.ch/chimia/article/view/2015_213.