A CONCENTRATED DEGREE METHOD FOR CALCULATION OF VALLEY TRENDS
Yu Qingyu, Jiang Zhuzhong, Ai Nanshan
SCIENTIA GEOGRAPHICA SINICA ›› 1985, Vol. 5 ›› Issue (1) : 1-9.
A CONCENTRATED DEGREE METHOD FOR CALCULATION OF VALLEY TRENDS
{{custom_ref.label}} |
{{custom_citation.content}}
{{custom_citation.annotation}}
|
/
〈 | 〉 |