Exploring Three-Nucleon Forces in Lattice QCD - Doi, Takumi; Aoki, Sinya; Hatsuda, Tetsuo; Ikeda, Yoichi; Inoue, Takashi; Ishii, Noriyoshi; Murano, Keiko; Nemura, Hidekatsu; Sasaki, Kenji (Prog. Theor. Phys., 2012)