00331nam a2200097Ia 450000500170000000800410001708200160005810000180007424500640009226000770015620250107154840.0241216s9999||||xx |||||||||||||| ||und||  aREF 526 BAB  aBabcock C. H. 0aAutomated Cartography Data Processing Formats and Graphics.  aStockholm.bCongress of the International Federation of Surveyors.c1977