Benkraouda, O. ., M. . . Benkraouda, and . N. . Amrane. “Study on Momentum Density in Semiconductor Compounds AlBi, InBi, and GaBi by Positron Annihilation”. JOURNAL OF ADVANCES IN PHYSICS, vol. 23, Sept. 2025, pp. 172-87, doi:10.24297/jap.v23i.9785.