TY - RPRT TI - Usability handbook for public safety communications - ensuring successful systems for first responders AU - Theofanos, Mary AU - Choong, Yee-Yin AU - Dawkins, Shanee AU - Greene, Kristen AU - Stanton, Brian AU - Winpigler, Ryan PY - 2017 PB - National Institute of Standards and Technology CY - Gaithersburg, MD SN - NIST HB 161 DO - 10.6028/NIST.HB.161 ER -