@article{Cong Wang_285, author = {Cong Wang, Youhui Cao}, title = {The Evolution Mode and Mechanism of Urban Network from the Perspective of Producer Services Industry: A Case of the Yangtze River Delta}, publisher = {SCIENTIA GEOGRAPHICA SINICA}, year = {2019}, journal = {SCIENTIA GEOGRAPHICA SINICA}, volume = {39}, number = {2}, eid = {285}, pages = {285-293}, keywords = {the Yangtze River Delta region;producer services industry;urban network}, doi = http://geoscien.neigae.ac.cn/EN/10.13249/j.cnki.sgs.2019.02.013 }