@article{GT_2015_19_6_a13,
     author = {Shin, Hyunshik and Strenner, Bal\'azs},
     title = {Pseudo-Anosov mapping classes not arising from {Penner{\textquoteright}s} construction},
     journal = {Geometry & topology},
     pages = {3645--3656},
     publisher = {mathdoc},
     volume = {19},
     number = {6},
     year = {2015},
     doi = {10.2140/gt.2015.19.3645},
     url = {http://geodesic.mathdoc.fr/articles/10.2140/gt.2015.19.3645/}
}