D. Dasgupta K. KrishnaKumar D. Wong M. Berry Negative Selection Algorithm for Aircraft Fault Detection. 1-13 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=3239&spage=1 2004 conf/icaris/2004 ICARIS db/conf/icaris/icaris2004.html#DasguptaKWB04