_:Bbf0380d033f9d590e7cc36183972a878 . "David L." . "Stein" . "David L. Stein" . "Stein, David Leslie" . . . "Stein, David L." . . _:Bbf0380d033f9d590e7cc36183972a878 . _:Bbf0380d033f9d590e7cc36183972a878 . _:Bbf0380d033f9d590e7cc36183972a878 "2023-05-21"^^ . _:Bbf0380d033f9d590e7cc36183972a878 . _:Bbf0380d033f9d590e7cc36183972a878 . _:Bbf0380d033f9d590e7cc36183972a878 "34459422X" . _:Bbf0380d033f9d590e7cc36183972a878 . _:Bbf0380d033f9d590e7cc36183972a878 . _:Bbf0380d033f9d590e7cc36183972a878 .