Daniel Sui & Michael Goodchild Email: sui.10@osu.edu International Journal of Geographical Information Science, 25:11, 1737-1748, DOI: 10.1080/13658816.2011.604636 http://dx.doi.org/10.1080/13658816.2
G.P. Obi Reddy, Principal Scientist, National Bureau of Soil Survey & Land Use Planning, Nagpur-440 033 https://www.researchgate.net/profile/Gp_Obi_Reddy2 Data acquisition and processing is importan