@misc{indiciaefc32a590fd8c, title = {Investigation of the groundwater system at Masaya Caldera, Nicaragua, using transient electromagnetics and numerical simulation}, author = {R.E. MacNeil and W. E. Sanford and C.B. Connor and S.K. Sandberg and M. Diez}, year = {2007}, doi = {10.1016/j.jvolgeores.2007.07.016}, url = {https://pubs.usgs.gov/publication/70031376}, note = {Source identifier: 70031376} }