"http://pages.uoregon.edu/ashp/Journal/2007_May.pdf."@en . . "Dole, Philip H."@en . . "2015-06-18"^^ . "2015-07-16"^^ . "2015-08-25"^^ . "2015-06-18"^^ . "2015-07-16"^^ . "2015-08-25"^^ . "1921-2006"@en . . .