J. K. Yamamoto X. M. Mao K. Koike A. P. Crosta P. M. B. Landim H. Z. Hu C. Y. Wang L. Q. Yao Mapping an uncertainty zone between interpolated types of a categorical variable. 146-152 2012 40 Computers & Geosciences http://dx.doi.org/10.1016/j.cageo.2011.09.005 db/journals/gandc/gandc40.html#YamamotoMKCLHWY12