Inter-hemispheric comparisons of geospace environment in the polar regions — A proposed cooperative research program between China and Norwav
LiuRuiyuan(刘瑞源 ), YangHuigen(杨惠根 ), HuHongqiao(胡红桥), AsgeirBrekke, JöranMoen
Advances in Polar Science . 2002, (1): 1 -6 .