Ordnance Survey and the Depiction of Antiquities on Maps: Past, Present and Future. The Current and Future Role of the Royal Commissions as Suppliers of Heritage Data to Ordnance Survey
Localización:Archaeology in the age of the internet: CAA 97 : computer applications and quantitative methods in archaeology : proceedings of the 25th anniversary conference / coord. por Lucie Dingwall, 1999, ISBN 9780860549451, pág. 62