000
00253nam a2200121Ia 4500
100
_a
Davies/W.g
942
_c
BK
654
_a
Magnetism
245
_a
Magnetism & Electricity
260
_b
Blackie & Son Ltd
_c
2001
082
_a
530
546
_a
ENGLISH
999
_c
21022
_d
21022