000
00292nam a2200121Ia 4500
008
220201s2013 xx 000 0 eng d
082
_a
621.381
_b
ROY
100
_a
Rao, M Mukunda
245
0
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Optical communications
260
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Delhi
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University pub.
_c
2013
300
_a
314
942
_2
ddc
999
_c
37756
_d
37756