@article{10_2140_agt_2009_9_293,
     author = {Galatius, S{\o}ren},
     title = {Secondary characteristic classes of surface bundles},
     journal = {Algebraic and Geometric Topology},
     pages = {293--303},
     year = {2009},
     volume = {9},
     number = {1},
     doi = {10.2140/agt.2009.9.293},
     url = {http://geodesic.mathdoc.fr/articles/10.2140/agt.2009.9.293/}
}