@article{10_2140_agt_2015_15_2383,
     author = {Ackermann, Robert},
     title = {An alternative approach to extending {pseudo-Anosovs} over compression bodies},
     journal = {Algebraic and Geometric Topology},
     pages = {2383--2391},
     year = {2015},
     volume = {15},
     number = {4},
     doi = {10.2140/agt.2015.15.2383},
     url = {http://geodesic.mathdoc.fr/articles/10.2140/agt.2015.15.2383/}
}