TY - GEN AU - Gregory Fiumara AU - Kenneth Ko AU - Elham Tabassi AU - Patricia Flanagan AU - John Grantham AU - Karen Marshall AU - Matthew Schwarz AU - Bryan Woodgate AU - Christopher Boehnen C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 2019-06-01 04:06:00 DO - https://doi.org/10.6028/NIST.IR.8257 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 2019 TI - Nail to nail fingerprint challenge::enrollment set size variability ER -