000 00400nam a22001577a 4500
003 OSt
008 230120b ||||| |||| 00| 0 eng d
020 _a9788122409475
082 _a665.776
100 _aMital, K.M.
245 _aBiogas Systems
_bPrinciples and Applications
260 _aNew Delhi
_bNew Age International Publishers
_c2009
300 _axi,412
650 _aBiogas
942 _2ddc
_cBK
999 _c2992
_d2992