@article{oai:rakuno.repo.nii.ac.jp:00004567, author = {森田, 茂 and KONDO, Junpei and HOSHIBA, Shinji}, issue = {1}, journal = {酪農学園大学紀要. 自然科学編}, month = {Oct}, note = {Bulletin}, pages = {7--13}, title = {The changes of the height of the residual ration on trough in free-stall barn}, volume = {34}, year = {2009} }