D-D, There are untold numbers of tribological papers available, from company/industry histories to
research & development documents, & many with regard to specifics in usage.
It might be worth contacting the specific oil supplier-sponsors/partners for their tech releases,
then compare them to the data released by specialist suppliers on the open market..
NASA archives are freely available, & include an aerospace data base going back - many decades..
Dr Moreau sez..
"Who breaks the law... goes back to the House of Pain!"