Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Mikami H. and Li Y. and Kobayashi T.,14pTF-13 Generation of the four-photon W state using parametric down-conversion,Meeting Abstracts of the Physical Society of Japan,2189-0803,The Physical Society of Japan,2004,59.2.2,0,127,https://cir.nii.ac.jp/crid/1390282680973337856,https://doi.org/10.11316/jpsgaiyo.59.2.2.0_127_4