000 00291nam a2200109Ia 4500
008 201121s9999 xx 000 0 und d
100 _aBogorad, L.(ed.)
245 0 _aProceedings of The National Academy of Science USA
260 _bU S A : National Ac. Sci.
300 _c1246
942 _cBV
999 _c16590
_d16590