1. SQL Power Group: How do I ensure the success of my DW? Internet (2002),
http://www.sqlpower.ca/page/dw_best_practices
2. Strange, K.: ETL Was the Key to this DataWarehouse’s Success. Technical Report CS-15-3143, Gartner (2002)
3. Vassiliadis, P., Simitsis, A., Skiadopoulos, S.: Conceptual Modeling for ETL Processes. In: Proc. of 5th Intl. Workshop on Data Warehousing and OLAP (DOLAP 2002), McLean, USA, pp. 14–21 (2002)
4. Lecture Notes in Computer Science;J. Trujillo,2003
5. Vassiliadis, P., Simitsis, A., Skiadopoulos, S.: Modeling ETL Activities as Graphs. In: Proc. of 4th Intl.Workshop on the Design and Management of DataWarehouses (DMDW 2002), Toronto, Canada, pp. 52–61 (2002)