TY - SCIENTIA GEOGRAPHICA SINICA A1 - Diansheng Li, Huan Zhang, Aiying Gao T1 - Spatial Layout of Port Bulk Commodity Markets in China Y1 - 2019-04-10 00:00:00.0 JF - SCIENTIA GEOGRAPHICA SINICA JO - SCIENTIA GEOGRAPHICA SINICA SP - 541 EP - 549 VL - 39 IS - 4 UR - {http://geoscien.neigae.ac.cn/EN/10.13249/j.cnki.sgs.2019.04.003} N1 - 10.13249/j.cnki.sgs.2019.04.003 ER -