IPCC Special Report 2000: Land Use, Land Use Change and Forestry.

http://www.tankonyvtar.hu/mezogazdasag/agrookologia-080904-23

IPCC,2001: Climate Change 2001:The Scientific Basis. Contribution of Working Group I to the Third Assessment Report of the Intergovernmental Panel on Climate Change [Houghton,J.T.,Y. Ding,D.J. Griggs,M. Noguer,P.J. van der Linden,X. Dai,K. Maskell,and C.A. Johnson (eds.)]. Cambridge University Press,Cambridge,United Kingdom and New York,NY,USA,881pp.

IPCC, 2007: Climate Change 2007: The Physical Science Basis. Contribution of Working Group I to the Fourth Assessment Report of the Intergovernmental Panel on Climate Change [Solomon, S., D. Qin, M. Manning, Z. Chen, M. Marquis, K.B. Averyt, M. Tignor and H.L. Miller (eds.)]. Cambridge University Press, Cambridge, United Kingdom and New York, NY, USA, 996 pp.