| 000 | 00390nam a2200157Ia 4500 | ||
|---|---|---|---|
| 008 | 180424s9999 xx 000 0 und d | ||
| 084 | _a507 U1 | ||
| 245 | 0 | _aNew Unesco Source Book for Science Teaching | |
| 250 | _a\\197300ENGGPCX | ||
| 260 | _aOxford and IBH | ||
| 260 | _b1973 | ||
| 260 | _cNew Delhi | ||
| 300 | _a400 p | ||
| 500 | _aincludes index and biblioraphy | ||
| 942 | _cBK | ||
| 999 |
_c39771 _d39771 |
||