000
00329nam a2200145Ia 4500
008
240201s1998 xx 000 0 eng d
020
_a
9780174482680
082
_a
574 ADD
100
_a
ADDS,JOHN
245
0
_a
SYSTEMS AND THEIR MAINTENANCE
260
_b
NELSON
_c
1998
300
_a
170
650
_a
SCIENCE
942
_2
ddc
_c
BK
999
_c
6428
_d
6428