Do you happen to have links to the papers? Edit: Looks like https://www.sciencedirect.com/science/article/abs/pii/S1750583617304322 https://www.sciencedirect.c

Do you happen to have links to the papers? Edit: Looks like https://www.sciencedirect.com/science/article/abs/pii/S1750583617304322 https://www.sciencedirect.com/science/article/abs/pii/S17505... and https://www.sciencedirect.com/science/article/abs/pii/S175058361730436X https://www.sciencedirect.com/science/article/abs/pii/S17505...