TY - RPRT TI - Specifications and tolerances for liquefied petroleum gas and anhydrous ammonia liquid volumetric provers AU - Harris, Georgia L AU - Miller, Val R PY - 2016 PB - National Institute of Standards and Technology CY - Gaithersburg, MD SN - NIST HB 105-4-2016 DO - 10.6028/NIST.HB.105-4-2016 ER -