TY - GEN AU - Rhee, Sokwoo C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 2020-01-01 05:01:00 DO - https://doi.org/10.6028/NIST.SP.1900-204 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 2020 TI - 2019 Global City Teams Challenge::smart and secure cities and communities challenge expo ER -