00344nam a2200097Ia 4500008004100000082002500041245005700066260007900123300000900202650003500211130903s9999    xx            000 0 und d  aTR577.3:62(047)   M1  aBiogas technology and utilization; a status reports.  aNew DelhibDepartment of Science and Technology, Government of Indiac1981  a94p.  aBiophysics,Biomass utilization