TY  - BOOK
AU  - Unger, H. G.
TI  - Planar optical waveguides and fibres
SN  - 0198561334
U1  - 621.369 
PY  - 1977///
CY  - Oxford
PB  - ; Clarendon Press
KW  - Engineering
KW  - Optical Engineering
KW  - Optical Waveguides And Fibres
ER  -