TY  - BOOK
AU  - Watson,David F.
TI  - Contouring a guide to the analysis and display of spatial data : : with programs and diskette / 
T2  - Computer methods in the Geosciences ; 
SN  - 0080402860
PY  - 1996///
CY  - Kidlington : 
PB  - Pergamon, 
KW  - CARTOGRAFIA
KW  - VISUALIZACION DE DATOS ESPACIALES
N2  - Practical contouring - Principles of contouring
ER  -