TY  - GEN
AU  - Watson, David F
TI  - Contouring: a guide to the analysis and display of spatial data
T2  - Computer Methods in the Geosciences, vol.10
SN  - 0080402860
U1  - 910.285416 
PY  - 1992///
CY  - Oxford
PB  - Pergamon Press
KW  - GEOGRAPHY
ER  -