@article{Sitzmann_TVCG_VR-saliency, 
          author = {Vincent Sitzmann 
                    and Ana Serrano 
                    and Amy Pavel 
                    and Maneesh Agrawala 
                    and Diego Gutierrez 
                    and Belen Masia 
                    and Gordon Wetzstein}, 
          title = {How do people explore virtual environments?}, 
          journal = {IEEE Transactions on Visualization and Computer Graphics}, 
          year = {2017}
      }