Carmelo Mosca, Ettore Francesco Bompard, Benedetto Aluisio, Michela Migliori, Chiara Vergine, Paolo Cuccia (2019) HVDC for frequency stability under RES penetration: the Sardinia island case, In: 2019 AEIT HVDC International Conference (AEIT HVDC), ISBN: 978-1-7281-2071-3