@article{10_2140_agt_2006_6_351,
     author = {Bachman, David and Derby-Talbot, Ryan},
     title = {Non-isotopic {Heegaard} splittings of {Seifert} fibered spaces},
     journal = {Algebraic and Geometric Topology},
     pages = {351--372},
     year = {2006},
     volume = {6},
     number = {1},
     doi = {10.2140/agt.2006.6.351},
     url = {http://geodesic.mathdoc.fr/articles/10.2140/agt.2006.6.351/}
}