TY  - GEN
AU  - Letcher,
AU  - Muir,
AU  - Norstrom,
TI  - Biotransformation versus bioaccumulation : Sources of methyl sulfone PCB and 4,4'-DDE metabolites in the polar bear food chain
SN  - [fotocópia]
PY  - 0000///American Chemical Society
CY  - [S.l.]
PB  - 1998
N2  - Bibliografia
ER  -