@misc{indiciaea1e401df97d5,
  title = {Surplus dollars: past, present, and future.},
  author = {J H Gissell},
  year = {1976},
  doi = {10.1016/s0091-0279(76)50007-4},
  url = {https://pubmed.ncbi.nlm.nih.gov/1265972/},
  note = {Source identifier: 1265972}
}