D. Moullou, F.V. Topalis
Illuminating the past: measuring the efficiency of means of lighting
in I. Motsianos, E. Bintsi, Μία ιστορία από φως στο φως. Light on light: an illuminating history, Thessaloniki 2011, pp. 58-63
ORIGINAL LINK : https://www.academia.edu/1483857/Illuminating_the_past_measuring_the_efficiency_of_means_of_lighting
