@article{02104395,
title = {Combinatorial Miller-Morita-Mumford classes and Witten cycles.},
journal = {Geometry \& Topology},
volume = {8},
year = {2004},
pages = {473-520},
doi = {10.2140/agt.2004.4.473},
zbl = {1072.57013},
language = {en},
url = {http://dml.mathdoc.fr/item/02104395}
}
Igusa, Kiyoshi. Combinatorial Miller-Morita-Mumford classes and Witten cycles.. Geometry & Topology, Tome 8 (2004) pp. 473-520. doi : 10.2140/agt.2004.4.473. http://gdmltest.u-ga.fr/item/02104395/