@article{Bereuter_2004,
title = {Impact Faktoren von Open Access Journalen. },
author = {Bereuter, Wolfgang and Bereuter, Thomas L.},
journal = {GMS Medizin, Bibliothek, Information},
number = {2},
pages = {18-19},
volume = {4},
year = {2004},
keywords = {Open Access Philadelphia Impact Factor Erschlie\ssung Zeitschrift Institute for Scientific Information (ISI)}
}