@article{oai:air.repo.nii.ac.jp:00004257, author = {細谷, 安彦 and HOSOYA, Yasuhiko}, journal = {秋田大学教育学部教育工学研究報告, Research reports on educational technology, Faculty of Education, Akita University}, month = {Mar}, pages = {21--30}, title = {視唱の導入部における教材開発:リズム・音程に関するもの}, volume = {2}, year = {1980} }