By Petrie Gordon   in The Cartographic Journal

ISSN:1743-2774|38|1|7-17

Maney Publishing‎(2001)‎

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By ROBBINS A. R.   METHLEY B. D. F.   PETRIE GORDON   ARNOTT D. T.   in Survey Review

ISSN:1752-2706|24|185|134-137

Maney Publishing‎(1977)‎

Access to resources Favorite 6.4914727