000 00271nam a2200121Ia 4500
008 200701s1998 xx 000 0 eng d
100 _aGOWAR JOHN
245 0 _aOPTICAL COMMMUNICATION SYSTEM
250 _a6th
260 _bS CHAND
_c1998
300 _a696
942 _2ddc
_cGE
999 _c696
_d696