How is 影响因子 defined?



所有跟贴·加跟贴·新语丝读书论坛http://www.xys.org/cgi-bin/mainpage.pl

送交者: Duke 于 2005-2-24, 10:16:50:

回答: 为什么说"新版"? Since when the new version started? 由 Latino2 于 2005-2-24, 09:24:04:

The new version started late last year. Go back to about page 67, and you will see the first post.



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所有跟贴·加跟贴·新语丝读书论坛http://www.xys.org/cgi-bin/mainpage.pl