GL20 Slide show Biagioni et al. De Biagi et al. Etkin Farace et al. Fessler Gelfand and Lin Giannini and Molino Hitson Hutchison Johnson (Panel) Kelly et al. Kraaikamp Kumazaki et al. Lenderman (Panel) Li et al. Lim Lipinski and Henderson Mack (Panel) Resnick Savic Savic (Panel) Smith and Gonzalez Tullock et a Vaska Yue
