000 00327nam a2200121Ia 4500
008 251112s9999||||xx |||||||||||||| ||und||
040 _aCNCLSA
245 0 _aProceedings of the National Academy Of Sciences of the United States of America
260 _cAugust 15, 1999
300 _aP. 1-537
300 _bV. 86
942 _cJRBV
999 _c33071
_d33071