TY  - RPRT
TI  - Evaluation of two spike-and-recovery controls for assessment of extraction efficiency in microbial source tracking studies
AU  - D. M. Stoeckel
AU  - E.A. Stelzer
AU  - L.K. Dick
PY  - 2009
DO  - 10.1016/j.watres.2009.06.028
UR  - https://pubs.usgs.gov/publication/70037103
ID  - 70037103
ER  -