000 00340nam a2200121Ia 4500
008 251112s9999||||xx |||||||||||||| ||und||
040 _aCNCLSA
245 0 _aProceedings Of National Academy of Sciences of The United States Of America
260 _c1994
_bPergamon Press
_aNew York
300 _aP.4611-5734
300 _bV.91
942 _cJRBV
999 _c23058
_d23058