Wetland Changes in the Middle and Lower Wuyuer River,Songnen Plain since the 1970s
HUANG Fang, ZHANG Shu-wen, Jan de Leeuw, ZHANG Yang-zhen
JOURNAL OF NATURAL RESOURCES . 2006, (6): 949 -956 .  DOI: 10.11849/zrzyxb.2006.06.012