TY  - BOOK
AU  - ,.
ED  - The National Seminar on Biogas Technology(19l81:Ludhiana)                                                                                                                                                                                                      . 
TI  - Biogas technology / 
U1  - 665.776 
PY  - 1983///
CY  - Ludhiana : 
PB  - USG Publishers , 
KW  - BIOGAS
N1  - NULL
ER  -