000 00499nam a2200181Ia 4500
005 20250508153622.0
008 008 250505s9999 xx 000 0 eng d
037 _aTextual
040 _aFEDL
_beng
_cFEDL
041 _aeng
_2eng
084 _a500, PER
_qFEDL
100 _aPerkins W H Ed.
_9764182
245 0 _aScience in schools
260 _aLondon, UK
_bButterworths Scientific Publications
_c1958
300 _a150p.
942 _cTEXL
_h500, PER
999 _c1344466
_d1344466