000 00334nam a2200121Ia 4500
001 MPKV054110
008 120911s9999 xx 000 0 und d
082 _a500
245 _aScience Vol 170
_c;
246 _aScience Vol 170
260 _aWashington
_bAmerican Association for the Advancement of Science
_c1970
650 _aPure Science
999 _c52108
_d52108