EN中文
The trend and hot issues in the field of space-time research: Based on the literature citation relationships and knowledge map
GU Jie, ZHOU Suhong,YAN Xiaopei, CHAI Yanwei, ZHENG Zhong
PROGRESS IN GEOGRAPHY . 2013, (9): 1332 -1343 .  DOI: 10.11820/dlkxjz.2013.09.003