"iN"@nl . "A." . . . "Keferstein" . "Keferstein, A." . . _:Bf82fbc1130b94d3b487e7f24d21258f3 . "A. Keferstein" . . _:Bf82fbc1130b94d3b487e7f24d21258f3 . _:Bf82fbc1130b94d3b487e7f24d21258f3 . _:Bf82fbc1130b94d3b487e7f24d21258f3 "2023-05-22"^^ . _:Bf82fbc1130b94d3b487e7f24d21258f3 . _:Bf82fbc1130b94d3b487e7f24d21258f3 . _:Bf82fbc1130b94d3b487e7f24d21258f3 "274580381" . _:Bf82fbc1130b94d3b487e7f24d21258f3 . _:Bf82fbc1130b94d3b487e7f24d21258f3 . _:Bf82fbc1130b94d3b487e7f24d21258f3 .