"Petersen" . . "Ole Holger Petersen" . "Holger" . . "O. H." . "O." . . "H." . "Petersen, O. H. (Ole Holger)" . "Ole H. Petersen"@de-DE . "1943-03-03" . . "O. H. Petersen" . . "O. H. Petersen"@en . . "Ole Petersen" . . "Ole Holger Petersen"@fr-FR . . "Ole Holger" . "Ole" . "Petersen"@fr-FR . . . . .