00409nam a2200133Ia 4500008004100000040001700041082002500058100002100083245007300104260005000177300001000227500001800237650002000255190328s9999||||xx |||||||||||||| ||und||  aNITILcNITIL  221sta665.776bM997P  aMyles, Raymond M 2aA Practical guide to janata biogas plant technologycRaymond M Myles  aNew DelhibAction for Food Productionc[19-?]  a130p+  awith annexurs  abiogas industry