LEADER 00000nam 2200229 a 4500 001 8798407961 003 UkHlHU 020 8798407961 040 UkHlHU 050 4 VK 577 T4 100 1 Thirslund, Søren. 245 10 Viking navigation :|bsun-compass guided Norsemen first to America. 260 Skjern :|bGullanders Bogtrykkeri a-s,|c2001. 300 40p. 650 0 Compass|xHistory. 650 0 Sundials. 650 0 Navigation|zEurope, Northern|xHistory. 651 0 America|xDiscovery and exploration|xNorse.
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