Methane generation from human, animal, and agricultural wastes National Academy of Sciences text Washington, DC NAS 1977 xiv, 131 p. : ills. ; 23 cm. + app. METHAN- SUMBER ENERGI SUMBER ENERGI 620 620 INLIS000000000004264 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)