000
00290nam a2200109Ia 4500
008
230411s9999 xx 000 0 und d
082
_a
621.38215
_b
GUP
100
_a
Gupta (S.C)
245
0
_a
TEXT BOOK ON OPTICAL FIBER COMMUNICATION AND ITS
260
_b
PHI New Delhi
_a
New Delhi
942
_c
BK
999
_c
3256
_d
3256