Galip Aydin Ahmet Sayar Harshawardhan Gadgil Mehmet S. Aktas Geoffrey Fox Sunghoon Ko Hasan Bulut Marlon E. Pierce Building and applying geographical information system Grids. 1653-1695 2008 20 Concurrency and Computation: Practice and Experience 14 http://dx.doi.org/10.1002/cpe.1312 db/journals/concurrency/concurrency20.html#AydinSGAFKBP08