Stability of matter
https://en.wikipedia.org/wiki/Pauli_exclusion_principle#Stability_of_matter
The stability of matter in quantum mechanics, by Elliott H. Lieb
https://en.wikipedia.org/wiki/Fermion
https://en.wikipedia.org/wiki/Exchange_force
https://en.wikipedia.org/wiki/Electron_degeneracy_pressure
1967 Dyson-Lenard
Lenard 2 - https://aip.scitation.org/doi/10.1063/1.1664631