TY  - BOOK
AU  - M J Howes and D V Morgan 
AU  - Howes, M J     Morgan, D V 
TI  - Optical fibre communications: Devices circuits and systems 
U1  - 621.38028, HOW  
PY  - 1980///
CY  - Chichester
PB  - John wiley & son
ER  -