Magnetic anomalies in relation to crustal structure in the Weddell Province and the southern Scotia arc - a progress report / ALESHKOVA N.D., GOLYNSKY A.V., MASOLOV V.N., BARKER P.F., JOHNSON A.C., MASLANYJ M.P., SMITH A.M., LaBRECQUE J.L. & GHIDELLA M.E.Chapter