1. An earth-gridded SSM/I data set for cryospheric studies and global change monitoring
2. The NSIDC EASE-Grid: Addressing the Need for a Common, Flexible, Mapping and Gridding Scheme;Armstrong;Earth System Monit.,1997
3. DMSP SSM/I—SSMIS Pathfinder Daily EASE-Grid Brightness Temperatures;Armstrong,1994
4. EASE-Grid: A Versatile Set of Equal-Area Projections and Gridshttp://www.ncgia.ucsb.edu/globalgrids-book/ease grid/
5. Circum-Arctic Map of Permafrost and Ground Ice Conditions;Brown,1998