By Ormeling Ferjan   in The Cartographic Journal

ISSN:1743-2774|50|2|175-181

Maney Publishing‎(2013)‎

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By Wang Zeshen   Ormeling Ferjan   in The Cartographic Journal

ISSN:1743-2774|33|2|87-91

Maney Publishing‎(1996)‎

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By Jiang Bin   Ormeling Ferjan   in The Cartographic Journal

ISSN:1743-2774|37|2|117-122

Maney Publishing‎(2000)‎

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By Jiang Bin   Ormeling Ferjan J.   in The Cartographic Journal

ISSN:1743-2774|34|2|111-116

Maney Publishing‎(1997)‎

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By Rød Jan Ketil   Ormeling Ferjan   Elzakker Corné van   in Norwegian Journal of Geography

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Routledge Ltd‎(2001)‎

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