Degrees/Minutes/Seconds (DMS) vs Decimal Degrees (DD) - GIS Geography
Geographic coordinate conversion - Wikipedia
Geographic coordinate conversion - Wikipedia
NJDEP - New Jersey Geological and Water Survey - DGS03-1 Coordinate Conversion Utility
Transformation Between Geographic and UTM Coordinates Conversion from Geographic to UTM Coordinates Used for converting and on an ellipsoid. - ppt download
python - Converting GOES x,y coordinates from a 2D fixed grid into latitude and longitude - Geographic Information Systems Stack Exchange
arcgis desktop - Converting shapefile coordinates? - Geographic Information Systems Stack Exchange