@article{GT_2013_17_3_a1,
     author = {Pixton, Aaron},
     title = {A nonboundary nef divisor on {M0,12}},
     journal = {Geometry & topology},
     pages = {1317--1324},
     publisher = {mathdoc},
     volume = {17},
     number = {3},
     year = {2013},
     doi = {10.2140/gt.2013.17.1317},
     url = {http://geodesic.mathdoc.fr/articles/10.2140/gt.2013.17.1317/}
}