%0 Report %D 2002 %T The relationship between trophic position, spatial location, and contaminant concentration for San Francisco Bay sport fish: a stable isotope study %A Greenfield, B. K. %A Fairey, R. %A Roberts, C. %A Negrey, J. %A Sigala, M. A. %A Jay A Davis %I San Francisco Estuary Institute %C Oakland, CA %G eng