TY  - BOOK
TI  - Terrain modelling in surveying and civil engineering 
SN  - 1870325303
U1  - 624.0151636 PET 
PY  - 1990///
CY  - Latheronwheel, Caithness 
PB  - Whittles Pub. in association with T. Telford
KW  - Surveying;Digital mapping.;Civil engineering
ER  -