1. Settlement Patterns in the Portland Region: A Historical Overview;Abbott,1994
2. Density Measures and Their Relation to Urban Form;Alexander,1988
3. Carrying Capacity and Its Application to the Portland Metropolitan Area;Aspeslaugh,1994
4. The many meanings of sustainability: Introduction to a special issue of JPL;Beatley;Journal of Planning Literature,1995
5. Sustainability meets Mainstreet: principles to live — and plan — by;Beatley;Planning,1993