000 00308nam a22001217a 4500
020 _a0-13-638156-1
082 _a621.3827 GOW'O
100 _aGOWAR, JOHN
_956954
245 _aOPTICAL COMMUNICATION SYSTEMS, OPTICAL COMMUNICATION
260 _aNEW YORK
_bPRENTICE HALL
_c1984
300 _a577P
942 _cBK
999 _c567273
_d567273