TY - Acta Geographica Sinica A1 - SHEN Yue, CHAI Yanwei T1 - Study on Commuting Flexibility of Residents Based on GPS Data: A Case Study of Suburban Mega-communities in Beijing Y1 - 2012-06-20 00:00:00.0 JF - Acta Geographica Sinica JO - Acta Geographica Sinica SP - 733 EP - 744 VL - 67 IS - 6 UR - {https://www.geog.com.cn/EN/10.11821/xb201206002} N1 - 10.11821/xb201206002 ER -