@article{ZHANG Jiansong_96, author = {ZHANG Jiansong,HAN Zenglin,DONG Xiaofei}, title = {Discussion of Spatial Linkage of Fr eight Tr anspor tation by Highway in Provincial Region ———Taking Liaoning Province as an Example}, publisher = {PROGRESS IN GEOGRAPHY}, year = {2006}, journal = {PROGRESS IN GEOGRAPHY}, volume = {25}, number = {4}, eid = {96}, pages = {96-107}, keywords = {

highway;freight transportation;spatial linkage;Liaoning

}, doi = https://www.progressingeography.com/EN/10.11820/dlkxjz.2006.04.011 }