@misc{indiciae2b682b639e43, title = {Sources of nitrate contamination and age of water in large karstic springs of Florida}, author = {B. G. Katz}, year = {2004}, doi = {10.1007/s00254-004-1061-9}, url = {https://pubs.usgs.gov/publication/70026496}, note = {Source identifier: 70026496} }