Jacobsen, C.S. , de Lipthay, J.R. , Bender, M. , Fredslund, L. , Johnsen, A.R. and Johnsen, K. 2004. Direct analysis of microbial populations in soil and freshwater aquifers using nucleic acid based techniques. GEUS Bulletin. 4, (Jul. 2004), 33–36. DOI:https://doi.org/10.34194/geusb.v4.4777.