000
00257nam a2200121Ia 4500
100
_a
Ng k.c
020
_a
0 273 00458 1
942
_c
BK
245
_a
Electrical network theory
260
_a
Pitman, Great britain
_c
1977
082
_a
621.3 Ng
300
_a
IX,350
999
_c
717
_d
717