000 | 00325nam a22001217a 4500 | ||
---|---|---|---|
082 |
_a500 _bOPP |
||
100 |
_aThe Open University _91081 |
||
245 | _aThe periodic table and chemical bonding | ||
260 |
_aMilton Keynes _bThe Open University _c1971 |
||
300 | _a48p. | ||
650 |
_aScience-Study and teaching _921126 |
||
942 | _cBK | ||
999 |
_c65126 _d65126 |