000 00378nam a2200157Ia 4500
003 0STCL
008 150530s9999 xx 000 0 und d
040 _aSTCL
_cSTCL
100 _aNational Council of Science Education
245 _aJournal of Physics Education March
260 _c1973
546 _aEnglish
942 _2ddc
_cBK
999 _c18652
_d18652
005 20220125165829.0