Collier, Martin (2004) Experimental and Theoretical Analysis of the Luminescence Spectroscopy of atomic Mercury and atomic Manganese isolated in Rare Gas Solids. PhD thesis, National University of Ireland Maynooth.

Ryan, Maryanne and Collier, Martin and de Pujo, Patrick and Crepin, Claudine and McCaffrey, John G. (2010) Investigations of the Optical Spectroscopy of Atomic Sodium Isolated in Solid Argon and Krypton: Experiments and Simulations. Journal of Physical Chemistry A, 114 (9). pp. 3011-3024. ISSN 1089-5639