TY - JOUR AU - Hong, F AU - Ishikawa, J AU - Sugiyama, K AU - Onae, A AU - Matsumoto, H AU - Ye, Jun AU - Hall, John C2 - IEEE Transactions on Instrumentation and Measurement DA - 2003-01-01 00:01:00 LA - en M1 - 52 PB - IEEE Transactions on Instrumentation and Measurement PY - 2003 TI - Comparison of independent optical frequency measurements using a portable iodine-stabilized Nd:YAG laser ER -