000 00435nam a2200145Ia 4500
008 251112s9999||||xx |||||||||||||| ||und||
022 _a0027-8424
040 _aCNCLSA
100 _aNicholas R. Cozzarelli
245 0 _aProceedings Of The National Academy Of Sciences Of The United States Of America
260 _cFebruary 16,1999
_bThe National Academy Of Science
_aU.S.A
300 _aP.1163-2570
300 _bV.96
942 _cJRBV
999 _c22179
_d22179