[2]
The flood of the Nenjiang river and the Songhua river in 1998 and the comprehensive management of the river basins[J] . Xianguo Lu,Weizhong Zhang.  Chinese Geographical Science . 1999 (3)
[2]
The flood of the Nenjiang river and the Songhua river in 1998 and the comprehensive management of the river basins[J] . Xianguo Lu,Weizhong Zhang.  Chinese Geographical Science . 1999 (3)