Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Murauchi Akira and Kodera Mitsuru,2073) Study on Shear Strength of Reinforced Concrete Beams with Opening(Structure),Transactions of the Architectural Institute of Japan,03871185,Architectural Institute of Japan,1961,69.1,0,533-536,https://cir.nii.ac.jp/crid/1390001205568941568,https://doi.org/10.3130/aijsaxx.69.1.0_533