https://papers.ssrn.com/sol3/papers.cfm?abstract_id=1562677
https://papers.ssrn.com/sol3/papers.cfm?abstract_id=3171269
https://judicialstudies.duke.edu/sites/default/files/centers/judicialstudies/panel-6_an_empirical_study_of_class_action_settlements_and_their_fee_awards.pdf
https://www.cambridge.org/core/books/mass-tort-deals/C820693B11A0E7A4E8F0AAD3EE1B94C2