Nickel, B. Department of Spectroscopy and Photochemical Kinetics, MPI for biophysical chemistry, Max Planck Society;
Nickel, B., & Prieto, M. F. R. (1986). Triplet excimer phosphorescence from aromatic-compunds in liquid solutions. A critical-review and new negative results. Zeitschrift für Physikalische Chemie, 150, 31-67.