@article{RM_2010_65_1_a2,
     author = {M. Farber and R. Geoghegan and D. Sch\"utz},
     title = {Closed 1-forms in topology and geometric group theory},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {143--172},
     publisher = {mathdoc},
     volume = {65},
     number = {1},
     year = {2010},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/RM_2010_65_1_a2/}
}