Jacek Piotr Siry Cubbage, F. W., Siry, J. P., & Abt, R. C. (2005). Fast-grown plantations, forest certification, and the U.S. South: Environmental benefits and economic sustainability. New Zealand Journal of Forestry Science, 35(2), 266. Siry, J. P., Robison, D. J., & Cubbage, F. W. (2004). Economic returns model for silvicultural investments in young hardwood stands. Southern Journal of Applied Forestry, 28(4), 179–184. Siry, J., Robison, D., & Cubbage, F. (2004). Economics of hardwood management. Forest Landowner, 63(2), 32–34. Siry, J. P., Robison, D. J., & Cubbage, F. W. (2003). Economic returns model for silvicultural investments in young hardwood stands. Proceedings of the 2002 Southern Forest Economics Workshop : March 17-19, Ramada Plaza Resort, Virginia Beach, Virginia, 245–251. Virginia Beach, VA: Virginia Polytechnic Institute and State University. Siry, J. P. (2002). Southern forest resource assessment. Intensive timber management practices. Southern Forest Resource Assessment. Siry, J. P., & Newman, D. H. (2001). A stochastic production frontier analysis of Polish State Forests. Forest Science, 47(4), 526–533. Moore, R. L., Cubbage, F., & Siry, J. (2001). Forest recreation: Challenges and opportunities. Journal of the Korean Institute of Forest Recreation, 5(4), 1–10. Siry, J. P., Cubbage, F. W., & Malmquist, A. J. (2001). Potential impacts of increased management intensities on planted pine growth and yield and timber supply modeling in the South. Forest Products Journal, 51(3), 42–48. Cubbage, F., Moore, R. L., & Siry, J. (2001). The role of forests and forestry in global conservation. Proceedings of the International Symposium for the 50th Anniversary of the College of Agriculture, 106–119. Chungbuk National University, College of Agriculture.