@article{封志明_419, author = {[封志明, 刘 东, 杨艳昭]}, title = {中国交通通达度评价:从分县到分省}, publisher = {地理研究}, year = {2009}, journal = {地理研究}, volume = {28}, number = {2}, eid = {419}, pages = {419-429}, keywords = {

交通运输;通达度;通达指数;中国;GIS

}, doi = https://www.dlyj.ac.cn/CN/10.11821/yj2009020016 }