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This work was done during a stay at the UC Berkeley, made possible by a Forschungsstipendium from the Deutsche Forschungsgemeinschaft (DFG). The hospitality at Berkeley and the support from DFG are gratefully acknowledged.
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Scheiderer, C. Spaces of orderings of fields under finite extensions. Manuscripta Math 72, 27–47 (1991). https://doi.org/10.1007/BF02568264
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DOI: https://doi.org/10.1007/BF02568264