1.
Journal BS. Studying the x- ray atomic Scattering form Factor and Nuclear Magnetic Shielding Constant for Be atom in its Excited state (1s2 2s 3s) and the Be - like ions. BSJ [Internet]. 1Mar.2015 [cited 26Sep.2020];12(1):204-9. Available from: http://bsj.uobaghdad.edu.iq/index.php/BSJ/article/view/541