Fuhr, J.
and Felrice, H.
(1998),
Atomic Spectral Line Broadening Bibliographic Database, http://physics.nist.gov/PhysRefData/Linebr/html/reffrm0.html, [online], http://physics.nist.gov/PhysRefData/Linebr/html/reffrm0.html
(Accessed October 8, 2024)