P. Gong, J. Wang, L. Yu, Y.C. Zhao, Y.Y. Zhao, L. Liang, Z.G. Niu, X.M. Huang, H.H. Fu, S. Liu, C.C. Li, X.Y. Li, W. Fu, C.X. Liu, Y. Xu, X.Y. Wang, Q. Cheng, L.Y. Hu, W.B. Yao, H. Zhang, P. Zhu, Z.Y. Zhao, H.Y. Zhang, Y.M. Zheng, L.Y. Ji, Y.W. Zhang, H. Chen, A. Yan, J.H. Guo, L. Yu, L. Wang, X.J. Liu, T.T. Shi, M.H. Zhu, Y.L. Chen, G.W. Yang, P. Tang, B. Xu, C. Giri, N. Clinton, Z.L. Zhu, J. Chen, J. Chen, Finer resolution observation and monitoring of global land cover: first mapping results with Landsat TM and ETM+ data, Int. J. Remote Sens., 34 (2013) 2607-2654.