@article{10_2140_agt_2011_11_1781,
     author = {Berge, John and Scharlemann, Martin},
     title = {Multiple genus 2 {Heegaard} splittings: a missed case},
     journal = {Algebraic and Geometric Topology},
     pages = {1781--1792},
     year = {2011},
     volume = {11},
     number = {3},
     doi = {10.2140/agt.2011.11.1781},
     url = {http://geodesic.mathdoc.fr/articles/10.2140/agt.2011.11.1781/}
}