RE-EXAMINATION THE EXACT CENTER OF MASS CORRECTION FOR LONGITUDINAL ELECTRO-EXCITATION FROM FACTORSOF 13C NUCLEUS. Iraqi Journal of Science [Internet]. 2024 Oct. 17 [cited 2024 Oct. 19];50(1):50-5. Available from: https://ijs.uobaghdad.edu.iq/index.php/eijs/article/view/14096