000
00298nam a2200121Ia 4500
008
211209s1981 xx 000 0 und d
041
_a
eng
082
_a
621.382 N81 ROD/COO
100
_a
RODDY D
245
_a
ELECTRONIC COMMUNICATIONS
260
_a
NEW DELHI
_b
PRENTICE-HALL
_c
1981
300
_a
640
999
_c
18888
_d
18888