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Y. Serizawa, M. Myoujin, S. Miyazaki, and K. Kitamura, "Transmission Delay Variations in OPGW and Overhead Fiber-Optic Cable Links," IEEE Transactions on Power Delivery, Vol. 12, No. 4, Oct. 1997
Keywords: Optical Fiber, Temperature, Transmission Delay, Time Synchronization, Power System Protection