Selman AA-R. Particle-Hole State Density Calculations with Non-Equidistant Spacing Model: I. Basic Derivation. IJP [Internet]. 2010 Dec. 1 [cited 2024 Dec. 22];8(13):53-64. Available from: https://ijp.uobaghdad.edu.iq/index.php/physics/article/view/828