1. Ovals and ellipses in architecture;Barrallo,2011
2. Structural characteristics of the elliptical masonry dome of the sanctuary of Vicoforte;Aoki,2003
3. Structural analysis with F.E. method of the elliptical dome of the Sanctuary of Vicoforte;Aoki,2003
4. Heinz Isler Schalen;Ramm,1986