TY - RPRT TI - Molecular analysis of microbial community structures in pristine and contaminated aquifers: Field and laboratory microcosm experiments AU - Y. Shi AU - M.D. Zwolinski AU - M.E. Schreiber AU - J.M. Bahr AU - G.W. Sewell AU - W.J. Hickey PY - 1999 DO - 10.1128/aem.65.5.2143-2150.1999 UR - https://pubs.usgs.gov/publication/70185259 ID - 70185259 ER -