@misc{indiciaed50277edc4a5,
  title = {Random-walk chemotaxis: trial and error as a control process.},
  author = {R S Marken and W T Powers},
  year = {1989},
  doi = {10.1037//0735-7044.103.6.1348},
  url = {https://pubmed.ncbi.nlm.nih.gov/2692612/},
  note = {Source identifier: 2692612}
}