Optimizing and Upgrading of Structure and Function in Urban Agglomerations Region: A Case Study of Zhongyuan Urban Agglomeration
GUO Rong-Chao, SONG Shuang-Hua, MIAO Chang-Hong
SCIENTIA GEOGRAPHICA SINICA . 2011, (3): 322 -328 .  DOI: 10.13249/j.cnki.sgs.2011.03.322