By Karikari Isaac   Stillwell John   Carver Steve   in International Journal of Geographical Information Science

ISSN:1365-8824|19|3|343-362

Taylor & Francis Ltd‎(2005)‎

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By Karikari Isaac O.   Syed Nasreen A.   Cummings Thomas J.   in Orbit

ISSN:0167-6830|28|6|408-411

Informa Healthcare‎(2009)‎

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