TY - JOUR AU - Yuting, H. O. U. AU - Shugong, W. A. N. G. AU - Zhuotong, N. A. N. PY - 2011 DA - 2011/2011/04-20 TI - A Rule-based Land Cover Classification Method for the Heihe River Basin JO - Acta Geographica Sinica SP - 549 EP - 561 VL - 66 IS - 4 UR - {http://www.geog.com.cn/EN/10.11821/xb201104011} ID - Yuting2011 ER -