TY - Acta Geographica Sinica A1 - ZHOU Kan, LI Hui, SHEN Yuming T1 - Spatiotemporal patterns and driving factors of environmental stress in Beijing-Tianjin-Hebei region: A county-level analysis Y1 - 2020-11-25 00:00:00.0 JF - Acta Geographica Sinica JO - Acta Geographica Sinica SP - 1934 EP - 1947 VL - 75 IS - 9 UR - {https://www.geog.com.cn/EN/10.11821/dlxb202009009} N1 - 10.11821/dlxb202009009 ER -