000 00334nam a2200121Ia 4500
001 MPKV057374
008 120911s9999 xx 000 0 und d
082 _a500
245 _aScience Vol 195
_c;
246 _aScience Vol 195
260 _aWashington
_bAmerican Association for the Advancement of Science
_c1977
650 _aPure Science
999 _c55367
_d55367