_:B56457605e6a6c6649512a7efe4e9f1eb . "Robert P." . "Kirshner" . "Robert P. Kirshner" . . . . "Kirshner, Robert P." . . _:B56457605e6a6c6649512a7efe4e9f1eb . _:B56457605e6a6c6649512a7efe4e9f1eb . _:B56457605e6a6c6649512a7efe4e9f1eb "2023-05-19"^^ . _:B56457605e6a6c6649512a7efe4e9f1eb . _:B56457605e6a6c6649512a7efe4e9f1eb . _:B56457605e6a6c6649512a7efe4e9f1eb "243209762" . _:B56457605e6a6c6649512a7efe4e9f1eb . _:B56457605e6a6c6649512a7efe4e9f1eb . _:B56457605e6a6c6649512a7efe4e9f1eb .