@article{10_2140_agt_2007_7_785,
     author = {McCooey, Michael},
     title = {Concordance of {\ensuremath{\mathbb{Z}}p} {\texttimes} {\ensuremath{\mathbb{Z}}p} actions on {S4}},
     journal = {Algebraic and Geometric Topology},
     pages = {785--796},
     year = {2007},
     volume = {7},
     number = {2},
     doi = {10.2140/agt.2007.7.785},
     url = {http://geodesic.mathdoc.fr/articles/10.2140/agt.2007.7.785/}
}