TY  - BOOK
AU  - Anson,R.W.(Roger W.)
AU  - Ormeling,F.J.
ED  - International Cartographic Association
TI  - Basic cartography for students and technicians: exercise manual 
SN  - 1851665900
PY  - 1991///
CY  - London
PB  - Elsevier Science
KW  - Cartography
ER  -