@article{DUAN Xuejun_733, author = {DUAN Xuejun, YU Xiaogan, Josef Nipper}, title = {Economic polarized trends, function and expanded boundaries of the Yangtze Delta Region}, publisher = {Journal of Geographical Sciences}, year = {2009}, journal = {Journal of Geographical Sciences}, volume = {19}, number = {6}, eid = {733}, pages = {733-749}, keywords = {

Economic Polarized Area;function;expanded boundaries;Yangtze Delta Region

}, doi = https://www.geogsci.com/EN/10.1007/s11442-009-0733-5 }