. . "Spherical trigonometry"@en . _:bnode7authoritiessubjectssh85137523 . _:bnode7authoritiessubjectssh85137523 _:bnode8authoritiessubjectssh85137523 . _:bnode7authoritiessubjectssh85137523 . _:bnode8authoritiessubjectssh85137523 . _:bnode8authoritiessubjectssh85137523 "Spherical trigonometry"@en . . _:bnode12authoritiessubjectssh85137523 . _:bnode12authoritiessubjectssh85137523 . _:bnode12authoritiessubjectssh85137523 . _:bnode12authoritiessubjectssh85137523 "Trigonometry, Spherical"@en . _:bnode12authoritiessubjectssh85137523 _:bnode17authoritiessubjectssh85137523 . _:bnode17authoritiessubjectssh85137523 _:bnode18authoritiessubjectssh85137523 . _:bnode17authoritiessubjectssh85137523 . _:bnode18authoritiessubjectssh85137523 . _:bnode18authoritiessubjectssh85137523 "Trigonometry, Spherical"@en . . "QA535" . . . . _:bnode27authoritiessubjectssh85137523 . _:bnode27authoritiessubjectssh85137523 . _:bnode27authoritiessubjectssh85137523 . _:bnode27authoritiessubjectssh85137523 "Trigonometry, Spherical"@en . _:bnode27authoritiessubjectssh85137523 _:bnode32authoritiessubjectssh85137523 . _:bnode32authoritiessubjectssh85137523 _:bnode33authoritiessubjectssh85137523 . _:bnode32authoritiessubjectssh85137523 . _:bnode33authoritiessubjectssh85137523 . _:bnode33authoritiessubjectssh85137523 "Trigonometry, Spherical"@en . . . _:bnode38authoritiessubjectssh85137523 . _:bnode38authoritiessubjectssh85137523 . _:bnode38authoritiessubjectssh85137523 "Work cat.: 92-17811: Heineman, E.R. Plane trigonometry, 1992." . _:bnode38authoritiessubjectssh85137523 "found" . _:bnode44authoritiessubjectssh85137523 . _:bnode44authoritiessubjectssh85137523 . _:bnode44authoritiessubjectssh85137523 "1986-02-11T00:00:00"^^ . _:bnode44authoritiessubjectssh85137523 "new"^^ . _:bnode44authoritiessubjectssh85137523 . _:bnode51authoritiessubjectssh85137523 . _:bnode51authoritiessubjectssh85137523 . _:bnode51authoritiessubjectssh85137523 "1992-07-15T10:54:51"^^ . _:bnode51authoritiessubjectssh85137523 "revised"^^ . _:bnode51authoritiessubjectssh85137523 .