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Recent observational and theoretical advances have provided new impetus for the study of the partly molten iron core of the earth. In 1983, the French Centre National de la Recherche Scientifique launched a multidisciplinary program to study the structure and evolution of the earth's core. This is an attempt to inform the scientific community of the aims and present status of the program and to summarize contributions to a state‐of‐the‐art meeting that was held in December 1985 in Paris.
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Vincent Courtillot (1986) studied this question.
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