000 00312nam a2200121Ia 4500
008 211209s1984 xx 000 0 und d
041 _aeng
082 _a621.3827 N84 GOW
100 _aGOWAR, JOHN
245 _aOPTICAL COMMUNICATION SYSTEMS
260 _aNEW DELHI
_bPRENTICE-HALL OF INDIA
_c1984
300 _a577
999 _c26543
_d26543