| 000 | 00385nam a2200121Ia 4500 | ||
|---|---|---|---|
| 100 | _aUNESCO | ||
| 942 | _cBK | ||
| 654 | _a | ||
| 245 |
_aNew trends in chemistry teaching--vol-1 # New trends in chemistry teaching--vol-1 (1964--1965) # New trends in Chemistry teaching _bVol 1 (1964--1965) |
||
| 260 |
_aUnesco _bUnited Nations _c1968 |
||
| 082 | _a540.7 | ||
| 300 |
_bPb _c26.2cm _ax, 359 |
||
| 999 |
_c397053 _d397053 |
||
| 041 | _aeng | ||