The four elements : the essentials of the history of cartography : the 25th International Conference on the History of Cartography, Helsinki Finland, 30 June - 5 July 2013.
International Conference on the History of Cartography(25th :2013 :Helsinki, Finland)
Suomen Kartografinen Seura,issuing body.
Abstracts from the conference.
Cartography
Cartography.