_:B071117d7aa9eaeab33a978be425c3561 . _:B071117d7aa9eaeab33a978be425c3561 . _:B071117d7aa9eaeab33a978be425c3561 "2023-05-23"^^ . _:B071117d7aa9eaeab33a978be425c3561 . _:B071117d7aa9eaeab33a978be425c3561 . _:B071117d7aa9eaeab33a978be425c3561 "069188920" . _:B071117d7aa9eaeab33a978be425c3561 . _:B071117d7aa9eaeab33a978be425c3561 . _:B071117d7aa9eaeab33a978be425c3561 . "Sommerville" . "Sommerville, I." . "Sommerville" . . "Sommerville, Ian (1951-)" . "Ian Sommerville" . . . "1951"^^ . _:B071117d7aa9eaeab33a978be425c3561 . "Ian" . .