TY - BOOK AU - Dikau, Richard AU - Saurer, Helmut TI - GIS for earth surface systems: : analysis and modelling of the natural environment SN - 3-443-01041-5 U1 - 621.399 PY - 1999/// CY - Berlin PB - : Borntraeger KW - TELEDETECCIÓN KW - G.I.S ER -