000 00328nam a2200121Ia 4500
001 MPKV058351
008 120911s9999 xx 000 0 und d
082 _a500
245 _aAmerican Scientist Vol 59
_c;
246 _aAmerican Scientist Vol 59
260 _aNew Haven
_bAmerican Scientist Society
_c1971
650 _aPure Science
999 _c56341
_d56341