@article{oai:ir.kagoshima-u.ac.jp:00003326, author = {橋爪, 健郎 and HASHIZUME, Takeo}, journal = {鹿児島大学理学部紀要, Reports of the Faculty of Science, Kagoshima University}, month = {Dec}, note = {Livestock excreta has been one of the troublesome problem for livestock breeders, because there was no apropriate way of treatement for this. But on one side it is one of the biggest biomas resouces which produces yearly about 90,000,000 tons in Japan. Spreading of biogas system is needed both for environment and energy problems. Many suggetion can be obtained from Danish poeple utilized windpower and biogas system.}, pages = {73--75}, title = {デンマークにおける循環エネルギー(2)}, volume = {37}, year = {2004} }