000 00334nam a2200121Ia 4500
001 MPKV055886
008 120911s9999 xx 000 0 und d
082 _a500
245 _aScience Vol 181
_c;
246 _aScience Vol 181
260 _aWashington
_bAmerican Association for the Advancement of Science
_c1973
650 _aPure Science
999 _c53880
_d53880