Detlef Schröder, Lucie Ducháčková, Iva Jušinski, Mirjana Eckert-Maksić, Jan Heyda, Lukáš Tůma, Pavel Jungwirth,
Characterization of the triple ion [(CH3)4N+·PF6-·(CH3)4N+] in the gas-phase Chemical Physics Letters. ,vol. 490, pp. 14- 18 ,(2010) ,
10.1016/J.CPLETT.2010.03.019