TY - JOUR AU - F Levi AU - Jon Shirley AU - Steven Jefferts AU - Davide Calonico AU - Thomas Heavner AU - Dai Yu C2 - IEEE Transactions on Ultrasonics Ferroelectrics and Frequency Control DA - 2006-12-01 LA - en M1 - 53 PB - IEEE Transactions on Ultrasonics Ferroelectrics and Frequency Control PY - 2006 TI - Microwave Leakage Induced Frequency Shifts in the Primary Frequency Standards NIST-F1 and IEN-CSF1 UR - https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=50158 ER -