00780nam0-2200289---450-99000992027040332120141127113413.0000992027FED01000992027(Aleph)000992027FED0100099202720141127d1968----km-y0itay50------baengGBa-------001yyMagnetic compasses and magnetometersAlfred HineLondonAdam Hilger1968385 p.ill.25 cmFisica TerrestreHine,Alfred524181ITUNINARICAUNIMARCBK990009920270403321GM1 AC II 83079GM1GM1Magnetic compasses and magnetometers44565UNINA