TY - JOUR AU - Jefferts, Steven AU - Levi, F C2 - Metrologia DA - 2006-02-21 LA - en M1 - 43 PB - Metrologia PY - 2006 TI - Comment on the paper Metrologia 42 49-57 (2005) by K. Szymaniec et al, UR - https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=50169 ER -