@misc{indiciae1b8449fc3612, title = {The occurrence, chemical quality and use of ground water in the Tabulbah area, Tunisia}, author = {L.C. Dutcher and H. E. Thomas}, year = {1966}, doi = {10.3133/wsp1757e}, url = {https://pubs.usgs.gov/publication/wsp1757E}, note = {Source identifier: wsp1757E} }