Fukuoka, Takeru. “Relative Linear Extensions of Sextic Del Pezzo Fibrations over Curves”. ANNALI SCUOLA NORMALE SUPERIORE - CLASSE DI SCIENZE 21, no. special, 1-2 (December 24, 2020): 1371-1409. Accessed February 20, 2026. https://journals.sns.it/index.php/annaliscienze/article/view/938.