@article{HerbKranzLeidingerMittelsdorf_2010,
title={How to assess the impact of an electronic document? And what does impact mean anyway? : reliable usage statistics in heterogeneous repository communities},
author={Herb, Ulrich and Kranz, Eva and Leidinger, Tobias and Mittelsdorf, Björn},
doi={http://dx.doi.org/10.22028/D291-23715},
year={2010}
}