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| 022 | _a0027-8424 | ||
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_bProceeding of the National Academy ofSciences of the USA _aUSA _c1915 |
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| 310 | _a52/Yr | ||
| 362 | _aJan-Dec,2007 | ||
| 365 | _b625 | ||
| 245 | _aProceedings of the National Academy of Sciences of the USA. | ||
| 440 | _v99(1),2002+ | ||
| 500 | _aProceedingsOffice,2101Cons tituti on Ave., N.W., Washington DC 20418. Washington DC | ||
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