TY - RPRT TI - Transport of microspheres and indigenous bacteria through a sandy aquifer: Results of natural- and forced-gradient tracer experiments AU - R.W. Harvey AU - L.H. George AU - R. L. Smith AU - D.R. LeBlanc PY - 2002 DO - 10.1021/es00178a005 UR - https://pubs.usgs.gov/publication/70015515 ID - 70015515 ER -