TY - JOUR AU - Pixton, Aaron TI - A nonboundary nef divisor on M0,12 JO - Geometry & topology PY - 2013 SP - 1317 EP - 1324 VL - 17 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.2140/gt.2013.17.1317/ DO - 10.2140/gt.2013.17.1317 ID - GT_2013_17_3_a1 ER -