@article{10_2140_agt_2015_15_3613,
     author = {Salter, Nick},
     title = {Cup products, the {Johnson} homomorphism and surface bundles over surfaces with multiple fiberings},
     journal = {Algebraic and Geometric Topology},
     pages = {3613--3652},
     year = {2015},
     volume = {15},
     number = {6},
     doi = {10.2140/agt.2015.15.3613},
     url = {http://geodesic.mathdoc.fr/articles/10.2140/agt.2015.15.3613/}
}