@misc{indiciaece93e9569785, title = {REPLY TO the preceding Discussion by George Alford of Guest Editorial “Early Concepts of the Role of Microorganisms in Hydrogeology”}, author = {W. Back}, year = {2005}, doi = {10.1111/j.1745-6584.1990.tb02258.x}, url = {https://pubs.usgs.gov/publication/70207069}, note = {Source identifier: 70207069} }