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1by Vodak, M.C. (ed.), Virginia Polytechnic Inst. and State Univ., Blacksburg (USA). School of Forestry and Wildlife Resources eng, Symposium on Forest Management Planning: Present Practice and Future Decisions eng 18-20 Aug 1980 Blacksburg, VA (USA), Leuschner, W.A. (ed.), Navon, D.I. (ed.), International Union of Forestry Research Organizations, Vienna (Austria). Working Group S4.04.04 Managerial Economics and Planning Systems eng
Published 1981Texto bibliotecaFAO IT