编号 zgly0001588554
文献类型 期刊论文
文献题名 THE TSINLING AND TAPASHAN AS A BARRIER TO COMMUNICATIONS BETWEEN SZECHWAN AND THE NORTHWESTERN PROVINCES
母体文献 地理学报
年卷期 1947年Z1期
年份 1947
关键词 backbone divide geographical length remarkable northwest rigid mountain strata mentioned