By Hodgson Michael E.   Davis Bruce A.   Cheng Yang   Miller James   in Cartography and Geographic Information Science

ISSN:1545-0465|37|1|7-15

Cartography and Geographic Information Society‎(2010)‎

Access to resources Favorite 6.964757

By Davis Bruce   in The Cartographic Journal

ISSN:1743-2774|22|2|125-130

Maney Publishing‎(1985)‎

Access to resources Favorite 3.0445786