Evaluating Digital Libraries with 5SQual. - Bárbara Lagoeiro Moreira; Marcos André Gonçalves; Alberto H. F. Laender; Edward A. Fox (ECDL, 2007)

5SQual: a quality assessment tool for digital libraries. - Bárbara Lagoeiro Moreira; Marcos André Gonçalves; Alberto H. F. Laender; Edward A. Fox (JCDL, 2007)

"What is a good digital library?" - A quality model for digital libraries. - Marcos André Gonçalves; Bárbara Lagoeiro Moreira; Edward A. Fox; Layne T. Watson (Inf. Process. Manag., 2007)

Automatic evaluation of digital libraries with 5SQual. - Bárbara Lagoeiro Moreira; Marcos André Gonçalves; Alberto H. F. Laender; Edward A. Fox (J. Informetrics, 2009)