HARMAN, D. (1994, Januar 1). Overview of the second Text REtrieval Conference (TREC-2). (500215). Gaithersburg, MD: National Institute of Standards and Technology, 1994. Abgerufen von http://pascal-francis.inist.fr/vibad ndex.php?action=search&terms=3459607

HARMAN, D, 1994. Overview of the second Text REtrieval Conference (TREC-2). In: [online]. Gaithersburg, MD: National Institute of Standards and Technology, 1994. 1 Januar 1994. Available from: http://pascal-francis.inist.fr/vibad ndex.php?action=search&terms=3459607

HARMAN, D. Overview of the second Text REtrieval Conference (TREC-2). Nr. 500215, Gaithersburg, MD: National Institute of Standards and Technology, 1994., 1994, http://pascal-francis.inist.fr/vibad ndex.php?action=search&terms=3459607.

HARMAN, D. (1994), „Overview of the second Text REtrieval Conference (TREC-2)“, in , Bd. , Gaithersburg, MD: National Institute of Standards and Technology, 1994., verfügbar unter: http://pascal-francis.inist.fr/vibad ndex.php?action=search&terms=3459607.