@article{10_4171_dm_52,
     author = {Andrew Ranicki},
     title = {Singularities, double points, controlled topology and chain duality},
     journal = {Documenta mathematica},
     pages = {1--59},
     year = {1999},
     volume = {4},
     doi = {10.4171/dm/52},
     url = {http://geodesic.mathdoc.fr/articles/10.4171/dm/52/}
}