@article{10_2140_agt_2002_2_171,
     author = {Sch\"utz, Dirk},
     title = {Controlled connectivity of closed 1{\textendash}forms},
     journal = {Algebraic and Geometric Topology},
     pages = {171--217},
     year = {2002},
     volume = {2},
     number = {1},
     doi = {10.2140/agt.2002.2.171},
     url = {http://geodesic.mathdoc.fr/articles/10.2140/agt.2002.2.171/}
}