TY - GEN AU - Kölbel-Boelke,J AU - Tienken,B AU - Nehrkorn,A TI - Microbial communities in the saturated groundwater environment I: Methods of isolation and characterization of heterotrophic bacteria SN - 0095-3628 PY - 2013///1111 N1 - Publication Type: Journal Article UR - https://doi.org/10.1007/BF02097402 ER -