Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Ryo Ebisuzaki and Yoshihiro Watanabe and Yukio Kawashima and Haruyuki Nakano,Parallel Implementation of the Four-Component Relativistic Quasidegenerate Perturbation Theory with General Multiconfigurational Reference Functions,Journal of Chemical Theory and Computation,1549-9618,American Chemical Society (ACS),2011-03-18,7,4,998-1005,https://cir.nii.ac.jp/crid/1360567183134268928,https://doi.org/10.1021/ct2000205