Simon Hawkins Hongxing He Graham J. Williams Rohan A. Baxter Outlier Detection Using Replicator Neural Networks. 170-180 2002 conf/dawak/2002 DaWaK http://link.springer.de/link/service/series/0558/bibs/2454/24540170.htm db/conf/dawak/dawak2002.html#HawkinsHWB02