Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Yong Tang and Tohru Mukai and Yasushi Nishimori and Kohji Iida,Measurement of fish school volume by multi-beam sonar - directional resolution and estimation error,Oceans '04 MTS/IEEE Techno-Ocean '04 (IEEE Cat. No.04CH37600),,IEEE,2005-03-31,1,,401-408,https://cir.nii.ac.jp/crid/1872272492930996864,https://doi.org/10.1109/oceans.2004.1402950