@article{10_2140_agt_2007_7_309,
     author = {Westerland, Craig},
     title = {String homology of spheres and projective spaces},
     journal = {Algebraic and Geometric Topology},
     pages = {309--325},
     year = {2007},
     volume = {7},
     number = {1},
     doi = {10.2140/agt.2007.7.309},
     url = {http://geodesic.mathdoc.fr/articles/10.2140/agt.2007.7.309/}
}