TY - GEN AU - David Sefcik C2 - Handbook (NIST HB), National Institute of Standards and Technology, Gaithersburg, MD DA - 2017-08-30 LA - en PB - Handbook (NIST HB), National Institute of Standards and Technology, Gaithersburg, MD PY - 2017 TI - Retail Pricing Methods, Unit Pricing, and Price Verification in the United States ER -