| 000 | 00334nam a2200121Ia 4500 | ||
|---|---|---|---|
| 001 | MPKV057377 | ||
| 008 | 120911s9999 xx 000 0 und d | ||
| 082 | _a500 | ||
| 245 |
_aScience Vol 197 _c; |
||
| 246 | _aScience Vol 197 | ||
| 260 |
_aWashington _bAmerican Association for the Advancement of Science _c1977 |
||
| 650 | _aPure Science | ||
| 999 |
_c55370 _d55370 |
||