M. M. Bubnov, S. L. Semjonov, A. G. Shchebunyaev, and C. R. Kurkjian, "Strength of dual-hermetic-coated fibers at high (g400°C) temperatures,"
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Vol. 4 of 1993 OSA Technical Digest Series
(Optical Society of America, 1993), paper WA3.