. . "Sappington, David E. M. (Sappington, David Edward Michael)" . "Sappington"@en . . "David"@en . . "D. E.M. Sappington"@en . "Sappington David Edward Michael Sappington" . "David e. m. Sappington" . "David Edward Michael Sappington" . "David E." . "D. E. M. Sappington" . . "David E. M. Sappington"@no-NO . "David E.M. Sappington"@nl-NL . "Sappington, David E. M. (David Edward Michael)" . "David E. Sappington" . "David E. Sappington" . "David Sappington" . "E." . "David E.M Sappington" . . . . . "E.M" . . "E. M." . "1954-04-23" . "Edward Michael"@en . . . "e. m." . . "David Edward Michael Sappington"@en . "David Sappington" . "David E. M. Sappington" . "Sappington" . "David Edward Michael" . "Sappington"@fr-FR .