@article{dougherty1970d,
  title={3-D computed subsurface tomography},
  author={Margaret (Maggie) Eppstein and David E. Dougherty},
  journal={WIT Transactions on Ecology and the Environment},
  volume={24},
  journalpage={http://library.witpress.com/pages/PaperInfo.asp?PaperID=6356},
  year={1970},
  citations={}
}