Biometric technology for human identification IV : 9-10 April 2007, Orlando, Florida, USA - Bellingham, Wash: SPIE, 2007 - 1 v. (various pagings) : ill. (some col.) ; 28 cm. ISBN: 9780819466617 Subjects--Topical Terms: Biometric identification -- Congresses Dewey Class. No.: 006.4 PRA