A brief historical sketch of the critical power concept, with a few things you might not know about its development. I also cover the basics of fitting data and some of the pitfalls in doing so. Some of the resources used include:
Wilkie (1985): https://journals.biologists.com/jeb/article/115/1/1/4406/Muscle-Function-A-Personal-View
Garcia-Manso (2006): https://doi.org/10.1016/j.jtbi.2012.01.028
Rohmert (1960): https://link.springer.com/article/10.1007/BF00698869
Monod and Scherrer (1965): https://www.tandfonline.com/doi/abs/10.1080/00140138108924856
Poole et al. (1988): https://www.researchgate.net/profile/David-Poole-6/publication/19964200_Metabolic_and_respiratory_profile_of_the_upper_limit_for_prolonged_exercise_in_man/links/54134eb50cf2bb7347db20c9/Metabolic-and-respiratory-profile-of-the-upper-limit-for-prolonged-exercise-in-man.pdf
Martin et al. (2015): https://onlinelibrary.wiley.com/doi/abs/10.1111/ele.12433