Using spatial gradient analysis to clarify species distributions with application to South African protea. - Maria A. Terres; Alan E. Gelfand (J. Geogr. Syst., 2015)

Nonstationary Gaussian Process Models Using Spatial Hierarchical Clustering from Finite Differences. - Matthew J. Heaton; William F. Christensen; Maria A. Terres (Technometrics, 2017)