TY - GEN T1 - Effective action from M-theory on twisted connected sum $G_2$-manifolds UR - https://doi.org/10.1007/s00220-017-3045-0 PY - 2017/02/17 AU - Guio TCDC AU - Jockers H AU - Klemm A AU - Yeh H-Y ED - Y2 - 2026/09/12 ER -