Harbison, G. S. (2002). "The Electric Dipole Polarity of the Ground and Low-lying Metastable Excited States of NF". Journal of the American Chemical Society124 (3): 366–367. doi:10.1021/ja0159261. பப்மெட்:11792193.
doi.org
Avizonis, Petras V. (2012). "Chemically Pumped Electronic Transition Lasers". In Onorato, Michele (ed.). Gas Flow and Chemical Lasers. Plenum Press. pp. 1–19. doi:10.1007/978-1-4615-7067-7_1. ISBN978-1-4615-7067-7.
Harbison, G. S. (2002). "The Electric Dipole Polarity of the Ground and Low-lying Metastable Excited States of NF". Journal of the American Chemical Society124 (3): 366–367. doi:10.1021/ja0159261. பப்மெட்:11792193.