TY - BOOK AU - Agrawal,G.P. TI - Fiber-optic communication systems T2 - Wiley series in microwave and optical engineering SN - 0471524865 U1 - 621.38275 23 PY - 1992/// CY - New York : PB - A Wiley-Interscience , KW - Optical communications ; Fiber optics N1 - Includes bibliographical references ER -