RT Journal T1 Details of Finnish Mannerheim’s Reconnaissance in Xinjiang in Early 20th Century and Its Analysis A1 Hou Yongjian,Han Binwei PB Historical Geography Research FD 2019-08-20 YR 2019 JF Historical Geography Research JO Historical Geography Research VO 39 IS 1 SP 138 DO K1 ;1906;Xinjiang;Mannerheim;investigation equipment;military topography;historical geography LK {http://www.lsdlyj.com.cn/EN/article/article_46382.shtml}