TY  - RPRT
TI  - Systematic Measurement of Marginal Mark Types on Voting Ballots 
AU  - Bajcsy, Andrea V.
AU  - Li-Baboud, YaShian
AU  - Brady, Mary C.
PY  - 2015
PB  - National Institute of Standards and Technology
SN  - NIST IR 8069
DO  - 10.6028/NIST.IR.8069
ER  -