@phdthesis{Lehmann2007,
author = {Lehmann, Sebastian},
year = {2007},
title = {Leerstellen-Verbindungen im System Cu-Ga-Se: Eine strukturelle Studie an
Kompakt- und Schichtmaterial},
type = {Dissertation},
url = "http://dx.doi.org/10.17169/refubium-17981",
}