TY - RPRT TI - Nail to nail fingerprint challenge: enrollment set size variability AU - Fiumara, Gregory AU - Ko, Kenneth AU - Tabassi, Elham AU - Flanagan, Patricia AU - Grantham, John AU - Marshall, Karen AU - Schwarz, Matthew AU - Woodgate, Bryan AU - Boehnen, Christopher PY - 2019 PB - National Institute of Standards and Technology CY - Gaithersburg, MD SN - NIST IR 8257 DO - 10.6028/NIST.IR.8257 ER -