Information Systems
Information Systems > 1996 > 21 > 4 > 311-352
Information Systems > 1998 > 23 > 5 > 335-350
Information Systems > 1998 > 23 > 7 > 463-487
Information Systems > 2006 > 31 > 2 > 134-147
Information Systems > 2008 > 33 > 1 > 115-132