000
00289nam a2200121Ia 4500
008
220201s1963 xx 000 0 eng d
082
_a
621.386
_b
FRA
100
_a
Fraser, W
245
0
_a
Telecommunication
260
_a
bombay
_b
Asia publishing house
_c
1963
300
_a
772
942
_2
ddc
999
_c
13949
_d
13949