TY  - BOOK
ED  - Geological Survey (Estados Unidos)
TI  - Concentrations and mass transport of pesticides and organic contaminants in the Mississippi river and some of its tributaries, 1987-89 and 1991-92 / 
T2  - U.S. Geological Survey open-file report ; 
U1  - 363.73940977 19
PY  - 1995///
CY  - Denver, Colorado : 
PB  - Department of Interior, 
KW  - Água
KW  - Poluição
KW  - Mississippi, Rio
ER  -