Osamu Muraoka
- Environmental Loads Reduction In A Sewage Sludge Treatment System Collecting Sludge From Some Sewage Treatment Plants With Energy Producing From The Sludge And It's Utilization. In: 土木学会論文集 (Doboku Gakkai rombunshū), v. 1999, n. 629 (August 1999). (1999):
- Proposal Of Energy Network In Waste Treatment Facilities And Sewage Treatment Facilities. In: 土木学会論文集 (Doboku Gakkai rombunshū), v. 1999, n. 636 (November 1999). (1999):