_:vb50823138 . _:vb50823136 "Anne van Kesteren" . "Selectors API Level 1" . _:vb50823137 "Lachlan Hunt" . . _:vb50823136 . _:vb50823138 . _:vb50823137 . _:vb50823137 . . _:vb50823136 . "2020-11-03" . . . . . _:vb50823138 .