| 000 | 00347nam a2200145Ia 4500 | ||
|---|---|---|---|
| 008 | 140317s9999 xx 000 0 und d | ||
| 082 | _a502.8 | ||
| 100 | _aUNESCO | ||
| 245 | 4 | _aThe scientific enterprises today and tomorrow. | |
| 260 |
_aUNESCO _b _c1977 |
||
| 300 | _a440 | ||
| 650 | _aPure Science | ||
| 653 | _aPure Science | ||
| 942 |
_2ddc _cBK |
||
| 999 |
_c9015 _d9015 |
||