TY - BOOK AU - Harris,G.L. AU - Ugiansky,G.M. ED - Estados Unidos. National Institute of Standards and Technology^pUS TI - State weights and measures laboratories T2 - Handbook, no.<143> no. 143 PY - 1997/// CY - [s.l.] PB - NIST N1 - Supersedes NIST Handbook 143 [1996 edition] ER -