Amram, Meirav, and Mina Teicher. “Erratum to ‘Fundamental Groups of Some Special Quadric Arrangements’”. Revista Matemática Complutense 22, no. 2 (July 27, 2009): 517–550. Accessed July 22, 2026. https://revistas.ucm.es/index.php/REMA/article/view/REMA0909220517A.