Changes of the Cultivation Norhtern Limit for Horqin Region in the Qing Dynasty
WULAN Tu-ya, ZHANG Xue-qin
SCIENTIA GEOGRAPHICA SINICA ›› 2001, Vol. 21 ›› Issue (3) : 230-235.
Changes of the Cultivation Norhtern Limit for Horqin Region in the Qing Dynasty
{{custom_ref.label}} |
{{custom_citation.content}}
{{custom_citation.annotation}}
|
/
〈 | 〉 |