The composite spectrum of BOSS quasars selected for studies of the Lyα forest

Harris W. David, David W. Harris, Trey W. Jensen, Nao Suzuki, Julian E. Bautista, Kyle S. Dawson, M. Vivek, Joel R. Brownstein, Jian Ge, Fred Hamann, H. Herbst, Linhua Jiang, Sarah E. Moran, Adam D. Myers, Matthew D. Olmstead, Donald P. Schneider