_:Bfcc629819ffb81a16a7ab22a93e21b4d . "Folkert" . "Schuurman" . "Folkert Schuurman" . . . "Schuurman, Folkert" . . _:Bfcc629819ffb81a16a7ab22a93e21b4d . _:Bfcc629819ffb81a16a7ab22a93e21b4d . _:Bfcc629819ffb81a16a7ab22a93e21b4d "2023-05-23"^^ . _:Bfcc629819ffb81a16a7ab22a93e21b4d . _:Bfcc629819ffb81a16a7ab22a93e21b4d . _:Bfcc629819ffb81a16a7ab22a93e21b4d "244041423" . _:Bfcc629819ffb81a16a7ab22a93e21b4d . _:Bfcc629819ffb81a16a7ab22a93e21b4d . _:Bfcc629819ffb81a16a7ab22a93e21b4d .