_:Bc73802a4a2b0a3e531375f72c5099445 . "Arie" . "Poldervaart" . "Arie Poldervaart" . . . . "Poldervaart, Arie" . . _:Bc73802a4a2b0a3e531375f72c5099445 . _:Bc73802a4a2b0a3e531375f72c5099445 . _:Bc73802a4a2b0a3e531375f72c5099445 "2023-05-21"^^ . _:Bc73802a4a2b0a3e531375f72c5099445 . _:Bc73802a4a2b0a3e531375f72c5099445 . _:Bc73802a4a2b0a3e531375f72c5099445 "072913193" . _:Bc73802a4a2b0a3e531375f72c5099445 . _:Bc73802a4a2b0a3e531375f72c5099445 . _:Bc73802a4a2b0a3e531375f72c5099445 .