1. Inter-organizational information system as company resources;Suomi;Information and Management,1988
2. The rise of co-operative systems;McNurlin;EDP Analyzer,1987
3. EDI in perspectief;Commissie van de Europese Gemeenschappen;EUR 11883,1989
4. The Link-up of machines;Beer;Transnational Data Report,1984
5. Electronic Data Interchange—an overview;Pugsley,1989