00615nam a22002057a 450000500170000001000130001702000210003003500130005103700160006404000120008008200160009210000160010824500790012426000470020327000420025030000230029250000510031565000240036665000190039020170124110017.0  aA-258212  c00.00a817024028  aA-258212  bCen Lib/Ret  aDPLbEN  a333.72bVEE  aVeena, D.R.  aBio-gas technology :cby D.R. Veena ba study of community bio-gas plant /  bAshish Publishing House aNew Delhi c1986  bNew Delhi e110026a8/81, punjabi bag  aix, 94p.c21cm(Hb)  aIncludes bibliographical references and index   aBio-gas technology   aBio-gas plant