Information Systems , Volume 24, 1999

Volume 24, Number 1, 1999

Volume 24, Number 2, 1999

Special Issue on Meta-Modelling and Methodology Engineering

Volume 24, Number 3, 1999

Special Issue on Advanced Information Systems Engineering

Volume 24, Number 4, 1999

Volume 24, Number 5, 1 July 1999

Volume 24, Number 6, 1999

Volume 24, Number 7, 1999

Volume 24, Number 8, December 1999