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Journal of Northwest Normal University(Natural Science)
1001-988X
1997 Issue 4
na mi li zi zhi bei zhong de gao fen zi
su bi tao
..............
page:106-107
si te lin gong shi de chu deng zheng ming
zhang zhi jun
..............
page:85-87
lurie xing lu bang kong zhi xi tong de jue dui wen ding xing
nian xiao hong
..............
page:9-14