@misc{indiciae7bdec394bb64,
  title = {Georgraphic differences in phytoplankton sensitivity to PCBs.},
  author = {N S Fisher and L B Graham and E J Carpenter and C F Wurster},
  year = {1973},
  doi = {10.1038/241548a0},
  url = {https://pubmed.ncbi.nlm.nih.gov/4632783/},
  note = {Source identifier: 4632783}
}