00373nam a2200109Ia 4500008004100000100003800041245004300079260003600122942000700158999001500165952008300180201217s9999    xx            000 0 und d  aAckroyd, Neil and Lorimer, Robert 0aGlobal Navigation : A GPS User's Guide  aLondonbLloyd's of London press  cBK  c8064d8064  00104070aCLd2020-12-17o629.045 A1829pPM03329r2020-12-17w2020-12-17yBK