@article{10_4153_CMB_1986_030_8,
     author = {Cusick, Larry W.},
     title = {Finite {Regular} {Covers} of {Surfaces}},
     journal = {Canadian mathematical bulletin},
     pages = {185--190},
     year = {1986},
     volume = {29},
     number = {2},
     doi = {10.4153/CMB-1986-030-8},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-1986-030-8/}
}