. . . . "Doug Ralph"@en . "Australian environmentalist" . "Ralph, Doug"@en . "2015Z"^^ . . "1948-07-10Z"^^ . "1948Z"^^ . . "2015-02-24Z"^^ . . "Doug Ralph (10 July 1948 \u2013 24 February 2015) was an Australian historian, environmentalist and activist."@en . .