The Covalent Bond in H2
Ruedenberg's approach to bonding in H2 is applied to the two-electron covalent bond in H2. A simplified analysis yields the same conclusion as Ruedenberg's more rigorous treatment; kinetic energy plays a crucial role in chemical bond formation.
Rioux, F. The Covalent Bond in H2. The Chemical Educator, 2001, 6(5), 288-290.