@ARTICLE{HeyEtAl2011,
AUTHOR = {Gerhard Heyer and Daniel Keim and Sven Teresniak and Daniela Oelke},
TITLE = {Interaktive explorative Suche in großen Dokumentbeständen},
JOURNAL = {Datenbank-Spektrum},
YEAR = {2011},
VOLUME = {11},
NUMBER = {3},
PAGES = {195-206},
MONTH = {October},
NOTE = {10.1007/s13222-011-0072-4}
}