000 00345cam a22001217a 4500
008 180718b1977 xxu||||| |||| 00| 0 eng d
082 _aX89x5 Su16
100 _aSubramanian, S.K.
245 _aBio-gas systems in Asia
_cby S.K. Subramanian
260 _aDelhi
_bManagement Development Institute
_c1977
300 _a146p.
650 _aBiogas --Asia
999 _c355101
_d355101