1. J. Yguerabide, this series, Vol. 26, p. 498.
2. G. Weber, see this series, Vol. 16, p. 380.
3. Fluorescence Spectroscopy: An Introduction for Biology and Medicine;Pesce,1971
4. Practical Fluorescence;Guilbault,1973
5. Photoluminescence of Solutions;Parker,1965