bibentry(
  bibtype  = "Article",
  title    = "rnrfa: an R package to retrieve, filter and visualize data from the {UK National River Flow Archive}",
  author   = "Vitolo, Claudia and Fry, Matthew and Buytaert, Wouter",
  journal  = "{The R Journal}",
  year     = 2016,
  volume   = 8,
  number   = 2,
  pages    = "102--116",
  url = "https://journal.r-project.org/archive/2016/RJ-2016-036/index.html"
)
 
bibentry(
  bibtype  = "manual",
  year  = "2018",
  month = "11",
  day = "21",
  author = "Vitolo, Claudia and Fry, Matthew and Buytaert, Wouter and Spencer, Michael and Gauster, Tobias",
  title = "rnrfa: an R package to retrieve, filter and visualize data from the {UK National River Flow Archive}",
  journal = "{Zenodo}",
  doi = "10.5281/zenodo.593201"
  )