@misc{indiciae6889566ede4a,
  title = {Guidelines for a graph-theoretic implementation of structural equation modeling},
  author = {James B. Grace and Donald R. Schoolmaster and Glenn R. Guntenspergen and Amanda M. Little and Brian R. Mitchell and Kathryn M. Miller and E. William Schweiger},
  year = {2012},
  doi = {10.1890/es12-00048.1},
  url = {https://pubs.usgs.gov/publication/70039878},
  note = {Source identifier: 70039878}
}