@article{10_2140_agt_2002_2_219,
     author = {Bohr, Christian},
     title = {Stabilisation, bordism and embedded spheres in 4{\textendash}manifolds},
     journal = {Algebraic and Geometric Topology},
     pages = {219--238},
     year = {2002},
     volume = {2},
     number = {1},
     doi = {10.2140/agt.2002.2.219},
     url = {http://geodesic.mathdoc.fr/articles/10.2140/agt.2002.2.219/}
}