Sebastian G. Elbaum Satya Kanduri Anneliese Amschler Andrews Anomalies as Precursors of Field Failures. 108-118 2003 conf/issre/2003 ISSRE http://csdl.computer.org/comp/proceedings/issre/2003/2007/00/20070108abs.htm db/conf/issre/issre2003.html#ElbaumKA03