Final report on bilateral comparison of dc voltage references between CENAM and NIST (SIM.EM.BIPM-K11.b) Hernández, Dionisio ; Navarrete, Enrique ; Avilés, David ; Tang, Yi-Hua Abstract Publication: Metrologia Pub Date: January 2007 DOI: 10.1088/0026-1394/44/1A/01011 Bibcode: 2007Metro..44.1011H