Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Yamamoto Keigo and Takami Masakazu and Ona Atsuhiro,B-10-6 Development of 40/100-fiber slotted core cable for underground distribution,Proceedings of the IEICE General Conference,,"The Institute of Electronics, Information and Communication Engineers",2012-03-06,2012,2,329,https://cir.nii.ac.jp/crid/1570572702914245760,