000 | 00426nam a2200169Ia 4500 | ||
---|---|---|---|
008 | 170901s1969 xx 000 0 und d | ||
082 |
_a540.7 _bC23N |
||
100 | _aUNESCO | ||
245 | 0 | _aNew Trends in Chemistry Teaching | |
260 |
_aParis _bUNESCO _c1969 |
||
300 | _a407 | ||
650 | _aChemistry and allied sciences | ||
650 | _aPure Sciences | ||
653 | _aChemistry | ||
653 | _aStudy and teaching | ||
942 |
_2ddc _cBK _01 |
||
999 |
_c5389 _d5389 |