The string you mentioned refers to a specific rather than a scientific or academic paper. File Breakdown
Files labeled as "NSP" found in ".rar" archives outside official channels like the Nintendo eShop are typically used for game emulation (such as Yuzu ) or on modified consoles. Mario Kart 8 Deluxe (NSP)(Mise Г jour 2.2.0).rar
: Added support for 8 new tracks, including Maple Treeway (Wii) and Rainbow Road (3DS). The string you mentioned refers to a specific
: Reintroduced half-pipe ramps from Mario Kart Wii in select DLC courses. Mario Kart 8 Deluxe (NSP)(Mise Г jour 2.2.0).rar