We request that publications derived from the use of MP-Opt-Model
explicitly acknowledge that fact by citing the MP-Opt-Model User's
Manual. The citation and DOI can be version-specific or general, as
appropriate. For version 3.0, use:

  R. D. Zimmerman. MP-Opt-Model User's Manual, Version 3.0. 2020.
  [Online]. Available: https://matpower.org/docs/MP-Opt-Model-manual-3.0.pdf
  doi: 10.5281/zenodo.4073361

For a version non-specific citation, use the following citation and DOI,
with *\<YEAR\>* replaced by the year of the most recent release:

  R. D. Zimmerman. MP-Opt-Model User's Manual. <YEAR>.
  [Online]. Available: https://matpower.org/docs/MP-Opt-Model-manual.pdf
  doi: 10.5281/zenodo.3818002

A list of versions of the User's Manual with release dates and
version-specific DOI's can be found via the general DOI at
https://doi.org/10.5281/zenodo.3818002.
