K. Gilmore, John Vinson, E.L. Shirley, D. Prendergast, C.D. Pemmaraju, J.J. Kas, F.D. Vila, J.J. Rehr,
Efficient implementation of core-excitation Bethe Salpeter equation calculations Computer Physics Communications. ,vol. 197, pp. 109- 117 ,(2015) ,
10.1016/J.CPC.2015.08.014