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References
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The following articles also contain work on Baer groups and elations:
Ch. hering andC. Y. Ho, On free involutions in linear groups and collineation groups. Trabalha de Mathematica, No. 129, Univ. de Brasilia.
U. Dempwolff, Große Baer-Untergruppen auf Translationsebenen gerader Ordnung (to appear).
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Johnson, N.L. On the compatibility of planar and nonplanar involutions in translation planes. Abh.Math.Semin.Univ.Hambg. 52, 16–28 (1982). https://doi.org/10.1007/BF02941863
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DOI: https://doi.org/10.1007/BF02941863