کنفرانس بین المللی GIS ٬محیط زیست٬ توسعه پایدار ژوئیه ۲۰۰۸

1-5 July	Beijing,  China	Spatial Accuracy 2008 Contact: [e-mail].
3-11 July	Beijing,  China	XXI ISPRS Congress Contact: Chen Jun, [e-mail].
3-11 July *   NEW   *	Beijing,  China	4th International Symposium on Geospatial Information for Disaster Management (Gi4DM 2008), Contact: Sisi Zlatanova, [e-mail].