The qsmooth package is described in:

Hicks SC, Okrah K, Paulson JN, Quackenbush J, Irizarry RA, Corrado Bravo H (2018). “Smooth quantile normalization.” Biostatistics, 19(2).

The qsmoothGC functionlity is described in:

Van den Berge K, Chou H, Roux de Bezieux H, Street K, Risso D, Ngai J, Dudoit S (2021). “Normalization benchmark of ATAC-seq datasets shows the importance of accounting for GC-content effects.” bioRxiv.

Corresponding BibTeX entries:

  @Article{qsmooth,
    author = {Stephanie C. Hicks and Kwame Okrah and Joseph N. Paulson
      and John Quackenbush and Rafael A. Irizarry and Hector {Corrado
      Bravo}},
    title = {Smooth quantile normalization},
    journal = {Biostatistics},
    year = {2018},
    volume = {19},
    number = {2},
    pubmed = {29036413},
  }

  @Article{qsmoothGC,
    author = {Koen {Van den Berge} and Hsin-Jung Chou and Hector {Roux
      de Bezieux} and Kelly Street and Davide Risso and John Ngai and
      Sandrine Dudoit},
    title = {Normalization benchmark of ATAC-seq datasets shows the
      importance of accounting for GC-content effects},
    journal = {bioRxiv},
    year = {2021},
  }