000 007180000a22002050004500
001 22947
010 _a[fotocópia]
090 _a22947
100 _a20190520 frey50
101 _aeng
102 _aUS
200 0 1 _aBiotransformation versus bioaccumulation : Sources of methyl sulfone PCB and 4,4'-DDE metabolites in the polar bear food chain
_fRobert J. Letcher, Ross J. Norstrom, and Derek C. G. Muir
210 _a[S.l.]
_c1998
_dAmerican Chemical Society
215 _a[6] p.
_cil.
_d30 cm
305 _aSep. : Environmental Science & Technology, 32(11), p. 1656-1661
317 _aIPIMAR
320 _aBibliografia
700 _aLetcher,
_bRobert J.
701 _aMuir,
_bDerek C. G.
701 _aNorstrom,
_bRoss J.