对近代先驱地理学家徐霞客研究的回顾与展望
于希贤
LOOK BACK ON AND LOOK AHEAD TO THE STUDY OF XU XIAKE THE MODERN FORERUNNER GEOGRAPHER OF CHINA
Yu Xixian
地理学报 . 1989, (2): 246 -252 .  DOI: 10.11821/xb198902014