Confidentiality and spatially explicit data: Concerns and challenges, VanWey, L. K.; Rindfuss, R. R.; Gutmann, M. P.; Entwisle, B.; Balk, D. L. , Proceedings of the National Academy of Sciences of the United States of America, Oct 25, Volume 102, Issue 43, p.15337-15342, (2005), DOI 10.1073/pnas.0507804102 Abstract