refs.bib

@article{Bumpus1898,
author = {Bumpus, Hermon C},
journal = {Biological Lectures: Woods Hole Marine Biological Laboratory},
pages = {209--225},
title = {{Eleventh lecture. The elimination of the unfit as illustrated by the introduced sparrow, {\it Passer domesticus}. (A fourth contribution to the study of variation.)}},
year = {1898}
}
@book{Darwin1859,
address = {New York},
author = {Darwin, Charles},
pages = {495},
publisher = {Penguin},
title = {{The Origin of Species}},
year = {1859}
}
@article{Johnston1972,
author = {Johnston, R F and Niles, D M and Rohwer, S A},
journal = {Evolution},
pages = {20--31},
title = {{Hermon Bumpus and natural selection in the House Sparrow {\it Passer domesticus} }},
volume = {26},
year = {1972}
}
@Manual{R2018,
  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/},
}