@article{ipl/HoodM81,
  author    = {Robert Hood and
               Robert Melville},
  title     = {Real-Time Queue Operation in Pure {LISP}},
  journal   = {Inf. Process. Lett.},
  volume    = {13},
  number    = {2},
  pages     = {50--54},
  year      = {1981},
  url       = {https://doi.org/10.1016/0020-0190(81)90030-2}
}

@book{Okasaki,author="Chris Okasaki",title="Purely Functional Data Structures",
publisher="Cambridge University Press",year=1998}
