000 00350nam a2200121Ia 4500
001 MPKV109737
008 120911s9999 xx 000 0 und d
082 _a500
245 _aScience Vol 225 Part No.4657-69
_c;
246 _aScience Vol 100
260 _aWashington
_bAmerican Association for the Advancement of Science
_c1984
650 _aPure Science
999 _c73069
_d73069