@article{GT_2007_11_2_a4,
     author = {Putman, Andrew},
     title = {Cutting and pasting in the {Torelli} group},
     journal = {Geometry & topology},
     pages = {829--865},
     publisher = {mathdoc},
     volume = {11},
     number = {2},
     year = {2007},
     doi = {10.2140/gt.2007.11.829},
     url = {http://geodesic.mathdoc.fr/articles/10.2140/gt.2007.11.829/}
}