000 00415nam a2200181Ia 4500
005 20250619144905.0
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020 _c30
040 _aMAIN
041 _aEnglish
082 _a530
_bKNE
100 _aKnecht, W.
245 0 _aNew trends in physics teaching
260 _aLondon
_b; Unesco
_c, 1968
300 _a271p.
_b, V.1
650 _aPhysics
942 _cBK
999 _c115284
_d115284