| 000 | 00327nam a22001217a 4500 | ||
|---|---|---|---|
| 008 | 140314b xxu||||| |||| 00| 0 eng d | ||
| 040 | _cCLCE | ||
| 082 |
_2DC20 _a507 UNE |
||
| 245 |
_aNew Unesco Source Book for Science Teaching _hbk |
||
| 260 |
_aLondon _bHeinman Educational Books Ltd. _c1975 |
||
| 300 | _a270p | ||
| 942 |
_2ddc _cBK |
||
| 999 |
_c6147 _d6147 |
||