TY - GEN AU - Andrea V. Bajcsy AU - YaShian Li-Baboud AU - Mary C. Brady C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 2015-07-01 04:07:00 DO - https://doi.org/10.6028/NIST.IR.8069 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 2015 TI - Systematic Measurement of Marginal Mark Types on Voting Ballots: ER -