1. Projections of the U.S. Timber Supply and Demand Situation to 2050: Draft Findings from the USDA Forest Service, 2000 RPA Timber Assessment;Haynes,2000
2. Introduction: Technological innovation in natural resource industries;Simpson,1999
3. Land use changes and innovation in U.S. forestry;Sedjo,1999
4. The Forest Sector: Important Innovations. Discussion Paper 97-42;Sedjo,1997
5. Productivity trends in the natural resource industries: A cross-cutting analysis;Parry,1999