@workingPaper{FröhlichLahannTrautmann_2011,
title={Gesundheitsdienstleistungen in der Großregion SaarLorLux},
author={Fröhlich, Mareike and Lahann, Tilmann and Trautmann, Anja},
doi={http://dx.doi.org/10.22028/D291-25204},
subtitle={Health care services in the Greater Region SaarLorLux},
year={2011}
}