The Hirzebruch-Mumford volume for the orthogonal group and applications. Gritsenko, V.; Hulek, K.; Sankaran, G.K. — 2007 Documenta Mathematica
Hirzebruch-Mumford proportionality and locally symmetric varieties of orthogonal type. Gritsenko, V.; Hulek, K.; Sankaran, G.K. — 2008 Documenta Mathematica