TY - RPRT TI - National Voluntary Laboratory Accreditation Program: voting system testing AU - Crickenberger, Jon M PY - 2005 PB - National Institute of Standards and Technology CY - Gaithersburg, MD SN - NIST HB 150-22-2008 DO - 10.6028/NIST.HB.150-22-2008 ER -