Analysis, simulation and experimental verification of the throughput of GCRA based UPC functions for CBR streams. - Fokke W. Hoeksema; J. Kroeze; Johan Witters (Modelling and Evaluation of ATM Networks, 1995)

ABR Functionality in an ATM Service Multiplexer: Implementation, Experiments, and Simulations. - Rudy Hoebeke; Johan Witters; Thomas Schillemans (Broadband European Networks and Multimedia Services, 1998)

An Interoperability Framework for Pan-European E-Government Services (PEGS). - Arnold Van Overeem; Johan Witters; Vassilios Peristeras (HICSS, 2007)