. "1942"^^ . . "Ratner" . _:B263adc38f19e7ea7daf505029026b5ef . . "Mark" . "Mark Ratner" . "Ratner, Mark A." . . "Ratner, Mark (1942-)" . _:B263adc38f19e7ea7daf505029026b5ef . _:B263adc38f19e7ea7daf505029026b5ef . _:B263adc38f19e7ea7daf505029026b5ef "2023-05-21"^^ . _:B263adc38f19e7ea7daf505029026b5ef . _:B263adc38f19e7ea7daf505029026b5ef . _:B263adc38f19e7ea7daf505029026b5ef "173309151" . _:B263adc38f19e7ea7daf505029026b5ef . _:B263adc38f19e7ea7daf505029026b5ef . _:B263adc38f19e7ea7daf505029026b5ef .