000 00343nam a2200121Ia 4500
001 MPKV057599
008 120911s9999 xx 000 0 und d
082 _a500
245 _aNature Vol.241 and 242 No.5384-5400
_c;
246 _aNature Vol.241 and 242 No.5384-5400
260 _aLondon
_bMac Millan Journals Ltd.
_c1973
650 _aPure Science
999 _c55592
_d55592