1. FAO, State of the World's Forests: 1997, Food and Agriculture Organization of the United Nations, Rome (1997).
2. R. Defries, M. Hansen, and J. Townshend, "Global discrimination of land cover types from metrics derived from AVHRR pathfinder data," Remote Sens. Environ. 54, 209-222 (1995) 10.1016/0034-4257(95)00142-5
3. T. R. Loveland and A. S. Belward, "The IGBP-DIS global 1 km land cover data set, DISCover: first results," Int. J. Remote Sens. 18, 3291-3295 (1997).
4. K. Tan, S. L. Piao, C. H. Peng, and J. Y. Fang, "Satellite-based estimation of biomass carbon stocks for northeast China's forests between 1982 and 1999," Forest Ecol. Manage . 240, 114-121 (2007) 10.1016/j.foreco.2006.12.018
5. X. W. Chen, "Change of tree diversity on Northeast China Transect (NECT)," Biodivers. Conserv. 10, 1087-1096 (2001) 10.1023/A:1016654131970