TY  - SER
AU  - Li,Chunqi
AU  - Takanohashi,Toshimasa
AU  - Saito,Ikuo
AU  - Takanohashi,Toshimasa
AU  - Saito,Ikuo
TI  - Elucidation of mechanism involved in acid pretreatment and thermal extraction during ashless coal production
ER  -