To cite `spam64` in publications use:

Furrer R, Flury R, Gerber F (2023). spam64: 64-Bit Extension of the SPArse Matrix R Package 'spam'. R package version 2.10-0, https://CRAN.R-project.org/package=spam64.

Gerber F, Moesinger K, Furrer R (2017). “Extending R packages to support 64-bit compiled code: An illustration with spam64 and GIMMS NDVI3g data.” Computer & Geoscience, 104, 109–119. ISSN 0098-3004, doi:10.1016/j.cageo.2016.11.015.

Gerber F, Moesinger K, Furrer R (2018). “dotCall64: An efficient interface to compiled C/C++ and Fortran code supporting long vectors.” SoftwareX, 7, 217–221. doi:10.1016/j.softx.2018.06.002.

Corresponding BibTeX entries:

  @Manual{,
    year = {2023},
    title = {{spam64}: 64-Bit Extension of the SPArse Matrix R Package
      'spam'},
    author = {Reinhard Furrer and Roman Flury and Florian Gerber},
    note = {R package version 2.10-0},
    url = {https://CRAN.R-project.org/package=spam64},
  }
  @Article{,
    title = {Extending {R} packages to support 64-bit compiled code: An
      illustration with spam64 and {GIMMS} {NDVI3g} data},
    author = {Florian Gerber and Kaspar Moesinger and Reinhard Furrer},
    journal = {Computer & Geoscience},
    year = {2017},
    volume = {104},
    pages = {109--119},
    issn = {0098-3004},
    doi = {10.1016/j.cageo.2016.11.015},
  }
  @Article{,
    title = {{dotCall64}: An efficient interface to compiled {C/C++}
      and {F}ortran code supporting long vectors},
    author = {Florian Gerber and Kaspar Moesinger and Reinhard Furrer},
    journal = {SoftwareX},
    year = {2018},
    volume = {7},
    pages = {217--221},
    doi = {10.1016/j.softx.2018.06.002},
  }

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