1. Proceedings of the International Energy Agency, Task IX, Activity 1 Symposium “Mechanisation in Short Rotation, Intensive Culture Forestry”;Stokes,1994
2. Status of short rotation forestry mechanisation worldwide,1993
3. Status of short rotation forestry in the USA;Stokes,1993
4. Current status and future directions for the U.S. Department of Energy's short rotation woody crop research;Tuskan,1994
5. Industrial short rotation intensive culture operations;Morgan,1994