Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) "Tasaki, S. and Hirayama, T. and Hirakawa, M.",Measurement of methane discharged from cattle,"琉球大学農学部学術報告 = The science bulletin of the College of Agriculture, University of the Ryukyus",0370-4246,琉球大学農学部,2014-12,,61,41-43,https://cir.nii.ac.jp/crid/1050564288712998784,