000 00312nam a2200109Ia 4500
008 251112s9999||||xx |||||||||||||| ||und||
040 _aCNCLSA
245 0 _aProceedings Of National Academy of Sciences of The United States Of America
260 _c1999
_bPergamon Press
_aNew York
300 _bV.96
942 _cJRBV
999 _c26439
_d26439