%A %T Cause of Formation for 1998's Flood in Nenjiang River and Songhuajiang River Valleys and lts Solutions %0 Journal Article %D 1999 %J Science & Technology Review %R %P 58-60 %V 17 %N 993 %U {http://www.kjdb.org/CN/abstract/article_4350.shtml} %8 1999-03-10 %X