L. G. COHEN and S. LUMISH, "Effects of water absorption peaks on transmission characteristics of LED-based light-wave systems operating near 1.3-µm wave-length,"
in Integrated Optics and Optical Fiber Communication, M. Barnoski, T. Giallorenzi, J. Goell, J. Midwinter, and Y. Suematsu, eds.,
OSA Technical Digest
(Optical Society of America, 1981), paper TUB3.