@article{10_2140_agt_2015_15_415,
     author = {Cochran, Tim D and Horn, Peter D},
     title = {Structure in the bipolar filtration of topologically slice knots},
     journal = {Algebraic and Geometric Topology},
     pages = {415--428},
     year = {2015},
     volume = {15},
     number = {1},
     doi = {10.2140/agt.2015.15.415},
     url = {http://geodesic.mathdoc.fr/articles/10.2140/agt.2015.15.415/}
}