TY  - BOOK
AU  - Nordbeck,Stig
AU  - Rystedt,Bengt
TI  - Computer cartography range map / 
PY  - 1969///
CY  - Lund : 
PB  - The Royal university of Lund, Sweden, Department of Geogra phy , 
KW  - Cartography
KW  - Computer programs
N1  -  Includes bibliographical references
ER  -