_:B12671ca93188e0f38cbb984398174a7a . "Norman W." . "Schur" . "Norman W. Schur" . . . . "Schur, Norman W." . . _:B12671ca93188e0f38cbb984398174a7a . _:B12671ca93188e0f38cbb984398174a7a . _:B12671ca93188e0f38cbb984398174a7a "2023-05-20"^^ . _:B12671ca93188e0f38cbb984398174a7a . _:B12671ca93188e0f38cbb984398174a7a . _:B12671ca93188e0f38cbb984398174a7a "068798032" . _:B12671ca93188e0f38cbb984398174a7a . _:B12671ca93188e0f38cbb984398174a7a . _:B12671ca93188e0f38cbb984398174a7a .