01069nam0 2200265 450 00002375120090302120850.020090302d1948----km-y0itay50------baengUSa-------001yyDescription of the Earth's main magnetic field and its secular change, 1905-1945E. H. Vestine ... [et al.]WashingtonCarnegie Institution of Washington1948V, 532 p.tab. num.29 cmPublication of Carnegie institution of Washington5782001Publication of Carnegie institution of WashingtonDescription of the Earth's main magnetic field and its secular change, 1905-194559697Magnetismo terrestreOsservazioni53818MagnetismoVestine,Ernest H.ITUNIPARTHENOPE20090302RICAUNIMARC000023751S 538/1S C 62DSA2009Description of the Earth's main magnetic field and its secular change, 1905-194559697UNIPARTHENOPE