. . "Donald E." . . "E." . "Don Spetner"@en . "Spetner" . . . . "Don"@en . . "Donald E. Spetner" . "Donald E. Spetner" . . "http://www.wikidata.org/entity/Q6581097" . "Spetner"@en . "Donald" . "Spetner" .