"Bruce A. Bolt" . . . . "Bolt, Bruce A. (1930-)" . . _:B42a9c8615580523e6af4d8d70e3831fe . "Bolt" . "seismoloog"@nl . "Bruce A." . "1930"^^ . _:B42a9c8615580523e6af4d8d70e3831fe . _:B42a9c8615580523e6af4d8d70e3831fe . _:B42a9c8615580523e6af4d8d70e3831fe "2023-05-23"^^ . _:B42a9c8615580523e6af4d8d70e3831fe . _:B42a9c8615580523e6af4d8d70e3831fe . _:B42a9c8615580523e6af4d8d70e3831fe "06948774X" . _:B42a9c8615580523e6af4d8d70e3831fe . _:B42a9c8615580523e6af4d8d70e3831fe . _:B42a9c8615580523e6af4d8d70e3831fe .