TY - BOOK AU - Unger,H.G. TI - Planar Optical Waveguides and Fibres T2 - (Oxford engineering science series) SN - 0198561334 AV - TA1800 .U54 PY - 1977/// CY - Oxford PB - Oxford University Press KW - 1.Optical wave guides.2.fiber optics 3.electromagnetic waves KW - "Y" N1 - "N" ER -