TY  - BOOK
AU  - Price, Elizabeth C,
AU  - Cheremisinoff,Nicholas P.
TI  - Biogas: Production & utilization 
T2  - Energy technology series
SN  - 025040334x
AV  - TP762 P74
PY  - 1981///
CY  - Michigan
PB  - Ann arbor science
KW  - Metano
KW  - Gasogenos
KW  - Granjas
KW  - Fertilizantes y abonos
ER  -