1. I.R. Dunkin: ‘Matrix-Isolation Techniques – A Practical Approach’, Oxford University Press, Oxford (1998).
2. A.J. Barnes (ed.): ‘Matrix Isolation Spectroscopy’, NATO advanced study institutes series. C (Mathematical and physical sciences) 76, Reidel Publishing Company, Dordrecht (1981).
3. A. Hasegawa, M. Shiotani, F. Williams: Faraday Discuss. Chem. Soc. 63, 157 (1977).
4. M. Shiotani: Mag. Res. Rev. 12, 33 (1987).
5. A. Lund, M. Lindgren, S. Lunell, J. Maruani: In ‘Molecules in Physics, Chemistry and Biology’ ed. by J. Maruani, Vol. 111, Academic Publishers, Boston, MA (1988), p. 259.