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Journal of Northeastern University(Natural Science)
1005-3026
1996 Issue 1
yuan xing ping chong tou ya suo ban wu xian ti de shang jie li lun jie fa
zhao de wen
..............
page:69-74
di wen re gu xing xin ge suan yan zhuan hua tu ceng de yan jiu
wen guang nan
..............
page:75-79