Articles: Architecture/Modeling: Bus Architecture and Conformed Dimensions
The Matrix (12/7/1999)
A Planning Methodology for the Largest Data Warehouses; A tool for technical planning and executive communication

Bringing Up Supermarts (1/1998)
A step-by-step approach to building a data warehouse from granular data (Feature Article).
This was the first full article on the bus architecture, although it predated that specific terminology. But the concepts were clearly laid out here.