A MAGNETIC PROFILE AROUND WORLD

[1] ALLDREDGE LR, 1961, J GEOPHYS RES, V66, P3790

[2] THE WESTWARD DRIFT OF THE EARTHS MAGNETIC FIELD [J]. PHILOSOPHICAL TRANSACTIONS OF THE ROYAL SOCIETY OF LONDON SERIES A-MATHEMATICAL AND PHYSICAL SCIENCES, 1950, 243 (859) : 67 - 92

[3] Chapman S, 1940, GEOMAGNETISM, V2

[4] FANSELAU G, 1958, GEOFIS PURA APPL, V41, P33

[5] JENSEN DC, 1960, J GEOPHYS RES, V65, P2500

[6] LONEY SA, 1915, PLANE TRIGONOMETRY

[7] SCHONSTEDT EO, 1955, T AM GEOPHYS UNION, V36, P25

[8] VACQUIER V, 1951, GEOL SOC AM MEM, V47

[9] Vestine E H, 1960, T AM GEOPHYS UNION, V41, DOI [10.1029/TR041i001p00004, DOI 10.1029/TR041I001P00004]

[10] VESTINE EH, 1947, 580 CARN I WASH PUBL

[1] ALLDREDGE LR, 1961, J GEOPHYS RES, V66, P3790

[2] THE WESTWARD DRIFT OF THE EARTHS MAGNETIC FIELD [J]. PHILOSOPHICAL TRANSACTIONS OF THE ROYAL SOCIETY OF LONDON SERIES A-MATHEMATICAL AND PHYSICAL SCIENCES, 1950, 243 (859) : 67 - 92

[3] Chapman S, 1940, GEOMAGNETISM, V2

[4] FANSELAU G, 1958, GEOFIS PURA APPL, V41, P33

[5] JENSEN DC, 1960, J GEOPHYS RES, V65, P2500

[6] LONEY SA, 1915, PLANE TRIGONOMETRY

[7] SCHONSTEDT EO, 1955, T AM GEOPHYS UNION, V36, P25

[8] VACQUIER V, 1951, GEOL SOC AM MEM, V47

[9] Vestine E H, 1960, T AM GEOPHYS UNION, V41, DOI [10.1029/TR041i001p00004, DOI 10.1029/TR041I001P00004]

[10] VESTINE EH, 1947, 580 CARN I WASH PUBL