Hyosup Kang Bongku Lee Hakil Kim Daecheol Shin Jaesung Kim A Study on Performance Evaluation of the Liveness Detection for Various Fingerprint Sensor Modules. 1245-1253 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=2774&spage=1245 2003 conf/kes/2003-2 KES db/conf/kes/kes2003-2.html#KangLKSK03