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On the non-uniqueness of main geomagnetic field determined by surface intensity measurements: the Backus problem |
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| Authors: | P. Alberto O. Oliveira M. A. Pais |
| Affiliation: | Centro de Física Computacional, Departamento de Física, Universidade de Coimbra, P-3004 516;Coimbra, Portugal |
| Abstract: | |
| Keywords: | Backus effect Backus problem geomagnetism main field models non-uniqueness |