@article{10_2140_agt_2005_5_1141,
     author = {Flores, Ramon J},
     title = {Nullification functors and the homotopy type of the classifying space for proper bundles},
     journal = {Algebraic and Geometric Topology},
     pages = {1141--1172},
     year = {2005},
     volume = {5},
     number = {3},
     doi = {10.2140/agt.2005.5.1141},
     url = {http://geodesic.mathdoc.fr/articles/10.2140/agt.2005.5.1141/}
}