Brakel, H. J. van <br/><br/>
The ignis fatuus of biogas  small-scale anaerobic digesters ( "biogas plants" )  a critical review of the pre-1970 literature 
J. van Brakel 
 - Delft  Delft U. P.  1980 
 - viii, 141 p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Methane