By Thrower Norman J. W.   in The Cartographic Journal

ISSN:1743-2774|9|1|43-51

Maney Publishing‎(1972)‎

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By Thrower Norman J. W.   Jensen John R.   in Cartography and Geographic Information Science

ISSN:1545-0465|3|1|39-56

Cartography and Geographic Information Society‎(1976)‎

Access to resources Favorite 4.0291934

By McMaster Robert B.   Thrower Norman J.W.   in Cartography and Geographic Information Science

ISSN:1545-0465|18|3|151-155

Cartography and Geographic Information Society‎(1991)‎

Access to resources Favorite 3.357661