@inproceedings{CTT100553591, author = {Ganchimeg Jambaldorj and Mitsuru Takahashi and Kunio Yoshikawa}, title = {Liquid Fertilizer Production from Sewage Sludge by Hydrothermal Treatment}, booktitle = {Proc. International Symposium on EcoTopia Science 07}, year = 2007, } @inproceedings{CTT100553597, author = {Mitsuru Takahashi and Ganchimeg Jambaldorj and Itsuo Goto and Kunio Yoshikawa}, title = {Liquid Fertilizer Production from Sewage Sludge by Hydrothermal Treatment}, booktitle = {Proc. 3rd KIMM-TITech Joint Workshop}, year = 2007, }