1. Contributions of the Purdue Enterprise Reference Architecture and Methodology (PERA) to the development of a general Enterprise Reference Architecture and Methodology (GERAM);Williams,1994
2. Open System Architecture for CIM;AMICE,1989
3. Formal Reference Base;AMICE,1992
4. GRAI Integrated Methodology: A Methodology for Designing CIM Systems, version 1.0;Doumeingts,1992
5. The Purdue Enterprise Reference Architecture;Williams,1992