@article{10_2140_agt_2013_13_3135,
     author = {Masai, Hidetoshi and McShane, Greg},
     title = {Equidecomposability, volume formulae and orthospectra},
     journal = {Algebraic and Geometric Topology},
     pages = {3135--3152},
     year = {2013},
     volume = {13},
     number = {6},
     doi = {10.2140/agt.2013.13.3135},
     url = {http://geodesic.mathdoc.fr/articles/10.2140/agt.2013.13.3135/}
}