Items where Author is "Becker, Peterson"
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Becker, Peterson (1957) Observations on Culicoides circumscriptus Kieffer (Diptera, Ceratopogonidae = Heleidae). PhD thesis, University of Glasgow.
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Becker, Peterson (1957) Observations on Culicoides circumscriptus Kieffer (Diptera, Ceratopogonidae = Heleidae). PhD thesis, University of Glasgow.