Assessment of regional biomass-soil relationships using vegetation indexes. - Diego Fabián Lozano-Garcia; R. Norberto Fernández; Chris J. Johannsen (IEEE Trans. Geosci. Remote. Sens., 1991)

A Conceptual Design of a Soil Database for a Geographical Information System. - R. Norberto Fernández; Marek Rusinkiewicz (Int. J. Geogr. Inf. Sci., 1993)