By Petchenik Barbara Bartz   in Cartography and Geographic Information Science

ISSN:1545-0465|16|1|47-50

Cartography and Geographic Information Society‎(1989)‎

Access to resources Favorite 24.260185

By Robinson Arthur H.   Petchenik Barbara Bartz   in The Cartographic Journal

ISSN:1743-2774|12|1|7-15

Maney Publishing‎(1975)‎

Access to resources Favorite 18.195137