0ad/docs/ray_intersect.bib

@book{real_time_rendering_3,
 author = {Akenine-M\"oller, Tomas and Haines, Eric and Hoffman, Nathy},
 title = {Real-Time Rendering, Third Edition},
 year = {2008},
 isbn = {978-1-56881-424-7},
 publisher = {A K Peters, Ltd.},
}