000
00258nam a2200109Ia 4500
008
211126s9999 xx 000 0 und d
082
_a
621.319
100
_a
BOLLEN H J
245
0
_a
UNDERSTANDING POWER QUALITY PROBLEMS
260
_b
P.H.I
942
_c
BTECH
999
_c
141102
_d
141102