00520nam 2200181z- 450 9910585562303321(CKB)5850000000050444(EXLCZ)99585000000005044420220802c2022uuuu -u- -engBiogas : Basics, Integrated Approaches, and Case StudiesIntechOpen1-80355-110-0 Biogas BOOK9910585562303321Biogas : Basics, Integrated Approaches, and Case Studies2903368UNINA