@article{10_2140_agt_2013_13_2347,
     author = {Clay, Adam and Lidman, Tye and Watson, Liam},
     title = {Graph manifolds, left-orderability and amalgamation},
     journal = {Algebraic and Geometric Topology},
     pages = {2347--2368},
     year = {2013},
     volume = {13},
     number = {4},
     doi = {10.2140/agt.2013.13.2347},
     url = {http://geodesic.mathdoc.fr/articles/10.2140/agt.2013.13.2347/}
}