@misc{indiciaec09ac48ccfc6,
  title = {Developmental instability as a biomonitor of environmental stress: an illustration using aquatic vegetation},
  author = {M. Tracy and D.C. Freeman and J.M. Emlen and J.H. Graham and R. A. Hough},
  year = {1995},
  url = {https://pubs.usgs.gov/publication/70180339},
  note = {Source identifier: 70180339}
}