If you use oggmap please cite:
Ullrich KK, Glynatsi NE, "oggmap: a Python package to extract gene ages per orthogroup and link them with single-cell RNA data", Bioinformatics, 2023, 39(11). `https://doi.org/10.1093/bioinformatics/btad657 <https://doi.org/10.1093/bioinformatics/btad657>`_
oggmap is developed and maintained by Kristian Ullrich. Please post troubles or questions on the Github repository.