Measurement of CP-violation asymmetries in D0 to Ks pi+ pi- - Collaboration, CDF; Aaltonen, T; Gonzalez, B; Amerio, S; Amidei, D; Anastassov, A; Annovi, A; Antos, J; Apollinari, G; Appel, J; Arisawa, T; Artikov, A; et al. (Phys. Rev. D, 2012)