1.
Advances in Conceptual Modeling. Recent Developments and New Directions : ER 2011 Workshops ...
by De Troyer, Olga, Bauzer Med...
ISBN: 9783642245732
List Price: $89.95
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Dynamic and Mobile GIS : Investigating Changes in Space and Time
by Billen, Roland, Forrest, Da...
ISBN: 9781420008609