This seems to be one of the articles: https://www.sciencedirect.com/science/article/abs/pii/S0160289619301904 https://www.sciencedirect.com/science/article/abs/

This seems to be one of the articles: https://www.sciencedirect.com/science/article/abs/pii/S0160289619301904 https://www.sciencedirect.com/science/article/abs/pii/S01602... And another one: http://doi.org/10.46469/mq.2023.63.3.2 http://doi.org/10.46469/mq.2023.63.3.2 And another one: https://europepmc.org/article/ppr/ppr518324 https://europepmc.org/article/ppr/ppr518324