Document Type : Research Paper

Authors

1 Wood and Forest Products Science Research Division, Research Institute of Forests and Rangelands, Tehran, Iran,

2 professor of Natural Resources College of Tehran University

3 Prof. Islamic Azad University, Karaj, Iran

4 Wood and forest products division, Research Institute of Forests and Rangelands, Agricultural Resear

5 Wood and Paper Science Research Division, Research Institute of Forests and Rangelands , Iran,