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REFERENCES

Almas, D.; Colla, J.; David, K. & Schnepf, C. 1993. Forestry in Idaho - Best Management Practices. Forest Stewardship Guidelines for Water Quality. Ag. Publications, University of Idaho, Moscow, 33 pp.

FAO. 1989. Watershed management field manual. Road design and construction in sensitive watersheds. FAO Conservation Guide 13/5, Food and Agriculture Organization of the United Nations, Rome, 196 pp.

FAO. 1996. FAO Model Code of Forest Harvesting Practice, Dykstra, D.P. & Heinrich, R. Food and Agriculture Organization of the United Nations, Rome, 85 pp.

FAO. 1998. Environmentally Sound Road Construction in Mountainous Terrain, Applying Advanced Operating Methods and Tools, by N. Winkler. Forest Harvesting Case-study 10, FOPH Publication, FAO, Rome, 64 pp.

FAOSTAT. 1998. http://fao.org

Gorton, F. 1985. Praxis und Kosten einer landschaftsschonenden Bauausführung von Forststrassen. Allgemeine Forstzeitung, Wien, 96(9), 241–244.

IUFRO. 1995. Forest work study. Nomenclature. Test Edition valid 1995–2000. International Union of Forestry Research Organizations WP 3.04.02. Swedish University of Agricultural Sciences, Department of Operational Efficiency, Garpenberg, 16 pp.

Laumans, P.A. 1995. Forest resources assessment of Eastern Bhutan: First results. Third forestry development project (Cr. 2533 - BHU). Working document No. 17, UTF/BHU/008/BHU. Ministry of Agriculture. Forestry Services Division, Khangma, 27 pp.

Litzka, J. & Haslehner, W. 1995. Appropriate environmental design and construction of low-volume rural roads in Austria. Proceedings of the sixth international conference on low-volume roads held in Minneapolis, Minnesota 1995. National Academy Press, Washington, D.C., Vol. 1: 67–73.

MoA. 1991. Master Plan for Forestry Development. Main Report, Royal Government of Bhutan, Ministry of Agriculture, Department of Forestry, Thimphu.

MoA. 1997. Atlas of Bhutan (1:250,000), Land Cover & Area Statistics of 20 Dzonkhags. Land Use Planning Section, Planning and Policy Division, Ministry of Agriculture, Royal Government of Bhutan, Thimphu, (22 sheets = 44 pp (+5 pp. unnumbered in the Appendix).

Roetzer, G. 1994. Korila forest road Nr. 1, Technical report and training notes. Third forestry development project (Cr. 2533 - BHU). Working document No. 1, UTF/BHU/008/BHU. Ministry of Agriculture. Forestry Services Division, Khangma, 27 pp.

Roetzer, G. 1995. Khaling-Kharungla forest management road planning. Third forestry development project (Cr. 2533 - BHU). Field document No. 9, UTF/BHU/008/BHU. Ministry of Agriculture. Forestry Services Division, Khangma, 63 pp.

Roetzer, G. 1996. Environmental timber harvesting methods and forest road network planning for selected forest management units in Eastern Bhutan. Third forestry development project (Cr. 2533 - BHU). Field document No. 11, UTF/BHU/008/BHU. Ministry of Agriculture. Forestry Services Division Khangma, 46 pp.

Sedlak, O. 1985a. General principles of planning forest road nets. In Logging and transport in steep terrain. FAO Forestry Paper 14/1, Food and Agriculture Organization of the United Nations, Rome, 333 pp.

Sedlak, O. 1985b. Forest road planning, location and construction techniques on steep terrain. In Logging and transport in steep terrain. FAO Forestry Paper 14/1, Food and Agriculture Organization of the United Nations, Rome, 333 pp.

Sedlak, O. 1996. Forest harvesting and environment in Austria. In Forest codes of practice. Contributing to environmentally sound forest operations. FAO Forestry Paper 133, Food and Agriculture Organization of the United Nations, Rome, 134 pp.

Trzesniowski, A. 1985. Logging techniques in Austria. In Logging and transport in steep terrain. FAO Forestry Paper 14/1, Food and Agriculture Organization of the United Nations, Rome, 333 pp.


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