. "Pythagorean-hodograph curves"@en . _:bnode7authoritiessubjectssh2008000119 . _:bnode7authoritiessubjectssh2008000119 . _:bnode7authoritiessubjectssh2008000119 "PH curves"@en . . . "PH curves"@en . _:bnode16authoritiessubjectssh2008000119 . _:bnode16authoritiessubjectssh2008000119 . _:bnode16authoritiessubjectssh2008000119 . _:bnode16authoritiessubjectssh2008000119 "Library of Congress, Network Development and MARC Standards Office" . _:bnode16authoritiessubjectssh2008000119 "2008-01-10T00:00:00"^^ . _:bnode16authoritiessubjectssh2008000119 "new"^^ . _:bnode25authoritiessubjectssh2008000119 . _:bnode25authoritiessubjectssh2008000119 . _:bnode25authoritiessubjectssh2008000119 . _:bnode25authoritiessubjectssh2008000119 "Library of Congress, Network Development and MARC Standards Office" . _:bnode25authoritiessubjectssh2008000119 "2008-02-15T07:56:43"^^ . _:bnode25authoritiessubjectssh2008000119 "revised"^^ .