| 000 | 00454nam a22001457a 4500 | ||
|---|---|---|---|
| 008 | 150512b xxu||||| |||| 00| 0 eng d | ||
| 020 | _a9231010581 | ||
| 050 | _aQ 181 .U54 1973 | ||
| 110 | _aUnesco | ||
| 245 |
_aNew unesco source book for science teaching/ _cUnesco |
||
| 260 |
_aParis: _bThe Unesco Press, _c1973. |
||
| 300 |
_a270p.: ill. _bIncludes index |
||
| 650 | _aScience | ||
| 942 |
_2lcc _cBOOKS _hQ 181 .U54 1973 _kQ _m181 .U54 1973 |
||
| 999 |
_c524 _d524 |
||