OpenStreetMap
SOTM10: What I learned Making a real map on real paper for real people and real money
davidearl님이 English로 2010년 7월 25일에 게시함.My talk "Making a real map on real paper for real people and real money" from State of the Map 2010 is now available at http://www.frankieandshadow.com/sotm10/
토론