000 00279nam a2200097Ia 4500
008 230331s9999 xx 000 0 und d
020 _a9781770084476
100 _aELECTRICITY AND MAGNETISM
_98414
245 0 _aAWERENESS CHILDREN'S ENCYCLOPAEDIA OF KNOWLEDGE VOLUME 12
942 _cBK
_y561
_zJohn Tresidder
999 _c54712
_d54711