Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Yasutaka Kitagawa and Toru Saito and Kizashi Yamaguchi,Approximate Spin Projection for Broken-Symmetry Method and Its Application,Symmetry (Group Theory) and Mathematical Treatment in Chemistry,,InTech,2018-07-18,,,,https://cir.nii.ac.jp/crid/1360848665279790720,https://doi.org/10.5772/intechopen.75726