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Varieties Of Steiner Loops and Steiner QuasigroupsRobert W. QuackenbushCanadian Mathematical Society1976DOI 10.4153/cjm-1976-118-1
Le navire Night; Césarée; Les mains négatives; Aurélia Steiner; Aurelia Steiner; Aurelia SteinerOtten, AnnaUniversity of Oklahoma1981DOI 10.2307/40135625
On Steiner Centers and Steiner Medians of GraphsOrtrud R. OellermannJohn Wiley and Sons1999DOI 10.1002/(sici)1097-0037(199912)34:4<258::aid-net4>3.0.co;2-2