000 00255nam a2200109Ia 4500
008 220714s9999 xx 000 0 und d
020 _a0 8306 2772 3
082 _aNF 538
100 _aWOOD, R
_9140142
245 0 _aUNDERSTANDING MAGNETISM
942 _cBK
_w561
_xJohn Tresidder
_y561
_zJohn Tresidder
999 _c716850
_d716849