000
00253nam a2200121 a 4500
003
EIA
001
7727
942
_0
2
_2
ddc
_c
BK
245
_a
Systems and control
260
_c
2003
008
141112s2003 ck r 000 u spa d
082
_a
629.8
_b
Z215
999
_c
12744
_d
12744