@article{MahdaviAmiri201595, title = "A Survey of Digital Earth ", journal = "Computers & Graphics ", volume = "53, Part B", number = "", pages = "95 - 117", year = "2015", note = "", issn = "0097-8493", doi = "http://dx.doi.org/10.1016/j.cag.2015.08.005", url = "http://www.sciencedirect.com/science/article/pii/S0097849315001399", author = "Ali Mahdavi-Amiri and Troy Alderson and Faramarz Samavati", keywords = "Digital Earth", keywords = "Virtual Globe", keywords = "Discrete Global Grid System", keywords = "Geospatial visualization " }