【求助】(ok)两篇比较老的文献

hstudent 2009/09/07

[img]https://www.instrument.com.cn/bbs/images/affix.gif[/img][url=http://www.instrument.com.cn/bbs/download.asp?ID=170182]2[/url]

yilai1002 2009/09/07

[img]https://www.instrument.com.cn/bbs/images/affix.gif[/img][url=http://www.instrument.com.cn/bbs/download.asp?ID=170156]1 RECONSTRUCTION OF TEMPERATURE SERIES OF NORTH CHINA FROM 1380s TO 1980s[/url]