Detecting the significant nodes in two-layer flow networks: an interlayer non-failure cascading effect perspectiveFeng An, Xiangyun Gao, Jianhe Guan, Meihui Jiang and Qian LiuEur. Phys. J. Special Topics, 228 11 (2019) 2475-2490DOI: https://doi.org/10.1140/epjst/e2019-800196-2