TY - BOOK AU - Clifford,J.F. AU - Harris,G.L. AU - Ugiansky,G.M. ED - Estados Unidos. National Institute of Standards and Technology^pUS TI - Specifications and tolerances for reference standards and field standard weights and measures: 4. Specifications and tolerances for liquefied petroleum gas and anhydrous ammonia liquid volumetric provers T2 - Handbook, no.<105-4> no. 105-4 PY - 1997/// CY - [s.l.] PB - NIST ER -