@article{Zhouying SONG_589, author = {Zhouying SONG, Shuyun CHE, Jiaoe WANG, Lei ZHENG}, title = {Spatiotemporal distribution and functions of border ports in China}, publisher = {PROGRESS IN GEOGRAPHY}, year = {2015}, journal = {PROGRESS IN GEOGRAPHY}, volume = {34}, number = {5}, eid = {589}, pages = {589-597}, keywords = {border ports;spatio-temporal distribution;relative concentration index (RCI);border cities;China}, doi = https://www.progressingeography.com/EN/10.11820/dlkxjz.2015.05.007 }