@article{701635,
     title = {Cyclic operads and homology of graph complexes},
     booktitle = {Proceedings of the 18th Winter School "Geometry and Physics"},
     series = {GDML\_Books},
     publisher = {Circolo Matematico di Palermo},
     address = {Palermo},
     year = {1999},
     pages = {161-170},
     mrnumber = {MR1692267},
     zbl = {0970.18011},
     url = {http://dml.mathdoc.fr/item/701635}
}

Markl, Martin. Cyclic operads and homology of graph complexes, dans Proceedings of the 18th Winter School "Geometry and Physics", GDML_Books,  (1999), pp. 161-170. http://gdmltest.u-ga.fr/item/701635/