Lovas, F.
, Coursey, J.
, Kotochigova, S.
, Chang, J.
, Olsen, K.
and Dragoset, R.
(2003),
Triatomics spectral database, http://physics.nist.gov/Triatomic, [online], http://physics.nist.gov/Triatomic
(Accessed November 23, 2024)