TY - GEN AU - Eyvon Petty C2 - NIST Interagency/Internal Report (NISTIR), National Institute of Standards and Technology, Gaithersburg, MD DA - 2004-01-01 LA - en M1 - No. 553 PB - NIST Interagency/Internal Report (NISTIR), National Institute of Standards and Technology, Gaithersburg, MD PY - 2004 TI - Time and Frequency Bulletin ER -