@inproceedings{Petreczky:2012eg, author = "Petreczky, Peter", title = "{On the trace anomaly in 2+1 flavor QCD}", doi = "10.22323/1.164.0069", booktitle = "Proceedings of The 30th International Symposium on Lattice Field Theory {\textemdash} PoS(Lattice 2012)", year = 2012, volume = "164", pages = "069" }