@misc{indiciaec29bfce3047e,
  title = {Growth responses of Spartina patens and Spartina alterniflora by means of a two dimensional factorial design},
  author = {W. L. Halvorson and A. C. Singer},
  year = {1974},
  doi = {10.2307/2424336},
  url = {https://pubs.usgs.gov/publication/1007689},
  note = {Source identifier: 1007689}
}