000 00263nam a2200121Ia 4500
003 LDD
040 _cLDD
041 _aen
245 0 _aPhysics Education
260 _aIOP Publishing Ltd.
_bBristol
_c1 Jan-31 Dec,1997
362 _a32-32
_b01-Jun
942 _2ddc
_cJ
999 _c187415
_d187415