000 00294nam a2200121Ia 4500
008 200701s1998 xx 000 0 eng d
100 _aWISON HAWKES
245 0 _aOPTO ELECTRONICS & COMMUNICATION ENGINEERING
250 _a2nd
260 _bPHI NEW DELHI
_c1998
300 _a470
942 _2ddc
_cGE
999 _c228
_d228