Every reference with a DOI in the deposited reference list resolved to a known
work in Crossref or DataCite at the dated check, and none carried a retraction,
withdrawal, or removal notice.
The 15 references without a DOI — listed, not checked
no DOI — not checkedAmelung, T. and M. Diehl (1991),Deforestation of Tropical Rainforests: Economic Causes and Impact on Development, Kielen Studien 241, Tubingen, Mohr, Germany.
no DOI — not checkedBarbier, E. B., J. C. Burgess and A. Markandya (1991), ?The Economics of Tropical Deforestation?,AMBIO 20(2), 55?58.
no DOI — not checkedBarbier, E. B., J. C. Burgess, B. A. Aylward, J. T. Bishop and C. Bann (1993),The Economic Linkages Between the Trade in Tropical Timber and the Sustainable Management of Tropical Forests, Final Report: ITTO Activity PCM(XI)/4, International Tropical Timber Organization, Yokohoma.
no DOI — not checkedBinkley, C. S. and J. R. Vincent (1991),Forest Based Industrialization: A Dynamic Perspective, HIID Development Discussion Paper No. 389, Harvard University, Cambridge, Massachusetts.
no DOI — not checkedBuongiorno, J. and T. Manurung (1992), ?Predicted Effects of an Import Tax in the European Community on the International Trade of Tropical Timbers?, Draft paper, Department of Forestry, University of Wisconsin, Madison.
no DOI — not checkedDembner, S. (1991), ?Provisional Data from the Forest Resources Assessment 1990 Project?,UNASYLVA 42(164), 40?44.
no DOI — not checkedGillis, M. (1990), ?Forest Incentive Policies?, Paper prepared for the World Bank Forest Policy Paper, The World Bank, Washington, DC.
no DOI — not checkedHyde, W. F., D. H. Newman and R. A. Sedjo (1991),Forest Economics and Policy Analysis: An Overview, World Bank Discussion Paper No. 134, The World Bank, Washington DC.
no DOI — not checkedInternational Tropical Timber Council (ITTC) (1992),Report on Preparations for the 1992 United Nations Conference on Environment and Development, ITTC(XII)/8, 12th Session, 6?14 May 1992, Yaoundé, Cameroon.
no DOI — not checkedPearce, D. W. (1990),An Economic Approach to Saving the Tropical Forests, LEEC Discussion Paper 90-06, London Environmental Economics Centre, UK.
no DOI — not checkedPoore, D., P. Burgess, J. Palmer, S. Rietbergen and T. Synnott (1989),No Timber Without Trees: Sustainability in the Tropical Forest, Earthscan Publications Ltd, London.
no DOI — not checkedReid, W. V. and K. R. Miller (1989),Keeping Options Alive: The Scientific Basis for Conserving Biodiversity, World Resource Institute, Washington, DC.
no DOI — not checkedSedjo, R. A. and K. S. Lyon (1990),The Long-Term Adequacy of World Timber Supply, Resources for the Future, Washington, DC.
no DOI — not checkedSolow, R. M. (1974), ?Richard T. Ely Lecture: The Economics of Resources or the Resources of Economics?,American Economic Review 64, 1?14.
no DOI — not checkedWorld Resources Institute (1992),World Resources 1992?93, Oxford University Press, London.
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