Differences in hyporheic-zone microbial community structure along a heavy-metal contamination gradient

Feris, K., Ramsey, P., Frazar, C., Moore, J.N., Gannon, J.E. & Holben, W.E.  (2003).  Differences in hyporheic-zone microbial community structure along a heavy-metal contamination gradient.  Applied and Environmental Microbiology  69, 5563–5573.