@article{MOMA_1998__125_4_178818,
     author = {Paul Trow},
     title = {Lifting {Covers} of {Sofic} {Shifts.}},
     journal = {Monatshefte f\"ur Mathematik},
     pages = {327--342},
     publisher = {mathdoc},
     volume = {125},
     number = {4},
     year = {1998},
     zbl = {0979.37008},
     url = {http://geodesic.mathdoc.fr/item/MOMA_1998__125_4_178818/}
}