1. Andreoni, A., Cubeddu, R., Desilvestri, S., Joni, G., Laporta, P., and Reddi, E., 1983, Time-resolved fluorescence studies of haematoporphyrin in different solvent systems. Zeitschrift fur Naturforschung, 38C,83–89.
2. Andreoni, A., and Cubeddu, R., 1984, Fluorescence properties of HpD and its components. Porphyrins in Tumor Phototherapy, edited by A. Andreoni and R. Cubeddu (New York: Plenum Press), pp. 11–21.
3. Brookfield, R.L, 1985, Time-resolved fluorescence spectroscopy of haematoporphyrin. Primary Photoprocesses in Biology and Medicine, edited by R.V. Bensasson, G. Joni, E.J. Land and T.G. Truscott (Plenum Press), pp. 329–333.
4. Brown, S.B., Shillock, M., and Jones, P., 1976, Equilibrium and kinetic studies of the aggregation of porphyrins in aqueous solutions. Biochemical Journal, 153, 279–285.
5. Chantrell, S.J., Mcauliffe, C.A., Munn, R.W., Pratt, A.C., and Land, E.J., 1977, Excited states of protoporphyrin IX dimethyl ester: reaction of the triplet with carotenoids. Journal of the Chemical Society
Faraday Transactions I, 73, 858–865.