@article{10_2140_agt_2009_9_1623,
     author = {Lippner, G\'abor},
     title = {Singularities of projected immersions revisited},
     journal = {Algebraic and Geometric Topology},
     pages = {1623--1635},
     year = {2009},
     volume = {9},
     number = {3},
     doi = {10.2140/agt.2009.9.1623},
     url = {http://geodesic.mathdoc.fr/articles/10.2140/agt.2009.9.1623/}
}