TY - JOUR AU - Judah Levine BT - IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control DA - Jan-03-1998 DO - 10.1109/58.660155 PY - 1998 SP - 450 EP - 460 T2 - IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control TI - Time synchronization using the Internet VL - 45 SN - 0885-3010 ER -