[7] Xu B., P. Gong, S. Liang, E. Seto, R. Spear, 2003. Snail density estimation for schistosomiasis control by integrat-ing field survey and multiscale satellite images, Geographic Information Sciences, 9(1-2): 97-100.
发布时间：2021-06-04 点击次数：
上一条：[8] Xu, B., P. Gong and R. L. Pu 2003: Crown closure estimation of oak savannah in a dry season with Landsat TM im-agery: comparison of various indices through correlation analysis. International Journal of Remote Sensing 24, 1811-1822.
下一条：[6] Yang C.H., D.C. Qiu, E. Seto, B. Xu, L.G. Zhao, X.H. Meng, and X.G. Gu, 2003. Spatial technology applied in snail survey in ditches, Parasitoses and Infectious Diseases, 1(1):25-27 in Chinese
