%0 Journal Article %A V. V. Shuleikin %A V. I. Lopatnikov %T The cause of sharp change in the magnetic declination at thousand-meter depths of the Atlantic Ocean %J Doklady Akademii Nauk %D 1975 %P 819-822 %V 225 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1975_225_4_a16/ %G ru %F DAN_1975_225_4_a16