[1]
Faculty of Khan (2018). Introduction to Heat Transfer. YouTube.
https://www.youtube.com/watch?v=ObwHydso4JY
https://www.youtube.com/watch?v=ObwHydso4JY
https://link.springer.com/chapter/10.1007/978-94-011-1719-7_25
https://davidhestenes.net/geocalc/pdf/NFMPchapt1.pdf
https://arxiv.org/abs/physics/0508225
https://www.youtube.com/watch?v=uncm8DChdhc
https://schwartz.scholars.harvard.edu/sites/g/files/omnuum7046/files/schwartz/files/6-entropy_0.pdf