000 | 00353nam a2200121Ia 4500 | ||
---|---|---|---|
001 | MPKV109208 | ||
008 | 120911s9999 xx 000 0 und d | ||
082 | _a500 | ||
245 |
_aScience Vol 237- 238 No. 4819-4827 _c; |
||
246 | _aScience Vol 107 | ||
260 |
_aWashington _bAmerican Association for the Advancement of Science _c1987 |
||
650 | _aPure Science | ||
999 |
_c72552 _d72552 |