I have way too many tabs open, so I'm going to put all the useful papers I've found so far in this doc! Some of them are only openable on my computer but will fix that later lol
https://ntrs.nasa.gov/api/citations/20090037061/downloads/20090037061.pdf
https://yang.gatech.edu/publications/Journal/JPP%20(2010,%20Casiano).pdf
https://arc.aiaa.org/doi/epdf/10.2514/6.2024-1393
https://arc.aiaa.org/doi/epdf/10.2514/6.2024-1214
https://ntrs.nasa.gov/api/citations/20090037061/downloads/20090037061.pdf
https://ntrs.nasa.gov/api/citations/19710019929/downloads/19710019929.pdf
https://ui.adsabs.harvard.edu/abs/2022AcAau.201...48K/abstract
https://www.sciencedirect.com/science/article/abs/pii/S0094576522004416?via%3Dihub
https://ntrs.nasa.gov/api/citations/20190030433/downloads/20190030433.pdf
https://ntrs.nasa.gov/api/citations/19940027112/downloads/19940027112.pdf
https://ntrs.nasa.gov/api/citations/20240012525/downloads/20240012525-rev01.pdf
https://www.diva-portal.org/smash/get/diva2:1732226/FULLTEXT01.pdf
https://ltu.diva-portal.org/smash/get/diva2:1845405/FULLTEXT01.pdf
https://www.researchgate.net/publication/325972102_Closed-loop_throttle_control_of_a_N2OIPA_thruster