000 00438nam 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 _cJanuary 4, 2000
_bThe National Academy of Sciences
_aWashington
300 _aP. 1-954
300 _bV. 97
942 _cJRBV
999 _c30511
_d30511