000 | 00323nam a2200121Ia 4500 | ||
---|---|---|---|
001 | MPKV057596 | ||
008 | 120911s9999 xx 000 0 und d | ||
082 | _a500 | ||
245 |
_aNature Vol.252 No.5487-85 _c; |
||
246 | _aNature Vol.252 No.5487-85 | ||
260 |
_aLondon _bMac Millan Journals Ltd. _c1974 |
||
650 | _aPure Science | ||
999 |
_c55589 _d55589 |