000
00272nam a2200121Ia 4500
008
220821s2010 xx 000 0 eng d
100
_a
KEISER, GERD
245
0
_a
OPTICAL FIBER COMMUNICATION
250
_a
4TH
260
_b
TMH
_c
2010
300
_a
578
942
_2
ddc
_c
BTECH
999
_c
1992
_d
1992