TY - JOUR AU - H. Friedrich AU - E. Trefftz BT - Journal of Quantitative Spectroscopy and Radiative Transfer DA - Jan-02-1969 DO - 10.1016/0022-4073(69)90089-2 PY - 1969 SP - 245 EP - 254 T2 - Journal of Quantitative Spectroscopy and Radiative Transfer TI - Semiempirical potentials for some atomic cores: C+4, N+5, O+6, Mg+2, Al+3, Si+4, Ca+2, Ba+2 UR - http://linkinghub.elsevier.com/retrieve/pii/0022407369900892 VL - 9 SN - 00224073 ER -