_:B154e4c1b944cab607255d85595606ac6 . "Alessandro" . "Natta" . "Alessandro Natta" . . . . "Natta, Alessandro" . . _:B154e4c1b944cab607255d85595606ac6 . _:B154e4c1b944cab607255d85595606ac6 . _:B154e4c1b944cab607255d85595606ac6 "2023-05-19"^^ . _:B154e4c1b944cab607255d85595606ac6 . _:B154e4c1b944cab607255d85595606ac6 . _:B154e4c1b944cab607255d85595606ac6 "13351689X" . _:B154e4c1b944cab607255d85595606ac6 . _:B154e4c1b944cab607255d85595606ac6 . _:B154e4c1b944cab607255d85595606ac6 .