Christian-Heinrich Wunderlich
Light and Economy An Essay About the Economy of Prehistoric and Ancient Lamps
in L. Chrzanovski (dir.), Nouveautés Lychnologiques, Sierre 2003, pp. 251-264
ORIGINAL LINK : http://www.chaman.ch/lychnos/edition/ouvragespublies/nl2003/_doc/pdf/wunderlich.pdf