By Loxton John   in The Cartographic Journal

ISSN:1743-2774|22|2|106-108

Maney Publishing‎(1985)‎

Access to resources Favorite 16.771694

By   Loxton John     Tomlinson C.     in Survey Review

ISSN:1752-2706|26|205|348-352

Maney Publishing‎(1982)‎

Access to resources Favorite 12.578629