TY  - RPRT
TI  - Microbial production of organic acids in aquitard sediments and its role in aquifer geochemistry
AU  - P.B. McMahon
AU  - F. H. Chapelle
PY  - 1991
DO  - 10.1038/349233a0
UR  - https://pubs.usgs.gov/publication/70016557
ID  - 70016557
ER  -