@article{publication-11780,
	author={Ongena, Steven and T{\"u}mer-Alkan, G{\"u}nseli and von Westernhagen, Natalja},
	doi={10.1016/j.euroecorev.2012.02.001},
	issn={0014-2921},
	journal={European Economic Review},
	number=4,
	pages={830-847},
	publisher={Elsevier},
	title={Creditor concentration: An empirical investigation},
	volume=56,
	year=2012,
}