"Willibrordus Petrus Martinus Stephanus Spooren" . "Willibrordus" . "Petrus Martinus Stephanus" . "Wilbert Spooren" . "Spooren, Wilbert (Willibrordus Petrus Martinus Stephanus)" . "Wilbert Spooren"@en . "Spooren"@en . "Willibrordus Petrus Martinus Stephanus Spooren" . . "Spooren"@fr-FR . "1956" . . . . "Willibrordus P. Spooren" . "Wilbert"@en . . "P." . . "Spooren" . . . . . .