Hernitschek, Nina, Sesar, Branimir, Rix, Hans-Walter, Belokurov, Vasily, Martinez-Delgado, David, Martin, Nicolas F., Kaiser, Nick, Hodapp, Klaus, Chambers, Kenneth C., Wainscoat, Richard, Magnier, Eugene, Kudritzki, Rolf-Peter, Metcalfe, Nigel, Draper, Peter W., "The Geometry of the Sagittarius Stream from Pan-STARRS1 3π RR Lyrae", Astrophysical Journal, 2017