 @Manual{rlang,
    title = {R: A Language and Environment for Statistical Computing},
    author = {{R Core Team}},
    organization = {R Foundation for Statistical Computing},
    address = {Vienna, Austria},
    year = {2018},
    url = {https://www.R-project.org/},
  }

 @Article{rcpp,
    title = {{Rcpp}: Seamless {R} and {C++} Integration},
    author = {Dirk Eddelbuettel and Romain Fran\c{c}ois},
    journal = {Journal of Statistical Software},
    year = {2011},
    volume = {40},
    number = {8},
    pages = {1--18},
    url = {http://www.jstatsoft.org/v40/i08/},
    doi = {10.18637/jss.v040.i08},
  }

@Manual{dequerpackage,
    title = {{dequer}: Stacks, Queues, and Deques for R},
    author = {Drew Schmidt},
    year = {2017},
    note = {{R} package version 2.0-1},
    url = {https://cran.r-project.org/package=dequer},
  }

@Manual{hashmappackage,
    title = {hashmap: The Faster Hash Map},
    author = {Nathan Russell},
    year = {2017},
    note = {R package version 0.2.2},
    url = {https://CRAN.R-project.org/package=hashmap},
  }
