000 00429nam a2200145Ia 4500
008 251112s9999||||xx |||||||||||||| ||und||
022 _a0027-8424
040 _aCNCLSA
100 _aNicholas R. Cozzarelli
245 0 _aProceedings Of The National Academy Of Science Of The United States Of America
260 _c1999
_bThe National Academy Of Science
_aWashington
300 _aP.14669-15424
300 _bV.96
942 _cJRBV
999 _c21770
_d21770