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IT Professional > 2008 > 10 > 6 > 60 - 62
IT Professional > 2008 > 10 > 5 > 56 - 58
IT Professional > 2008 > 10 > 4 > 10 - 12
Journal of Historical Geography > 2007 > 33 > 4 > 852-877
IT Professional > 2008 > 10 > 6 > 60 - 62
IT Professional > 2008 > 10 > 5 > 56 - 58
IT Professional > 2008 > 10 > 4 > 10 - 12
Journal of Historical Geography > 2007 > 33 > 4 > 852-877