TY  - BOOK
AU  - Powers 
TI  - An introduction to fiber optic systems 
SN  - 0256204144 
U1  - 621.38275 POW 1997 
PY  - 1997///
CY  - Chicago
PB  - Irwin
KW  - Fiber optics
KW  - Optical communications systems
N1  - Includes index
ER  -