“Converting packages to S4” published in R News.
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For attribution, please cite this work as
Bates, "Converting packages to S4", R News, 2003
BibTeX citation
@article{RN-2003-002, author = {Bates, Douglas}, title = {Converting packages to S4}, journal = {R News}, year = {2003}, note = {https://journal.r-project.org/articles/RN-2003-002/}, volume = {3}, issue = {1}, issn = {1609-3631}, pages = {6-8} }