Kalyan Veeramachaneni Lisa Ann Osadciw Pramod K. Varshney An Evolutionary Algorithm Based Approach for Dynamic Thresholding in Multimodal Biometrics. 671-677 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=3072&spage=671 2004 conf/icba/2004 ICBA db/conf/icba/icba2004.html#VeeramachaneniOV04