Ellsworth, David <br/><br/>
Methane production for your farm / with assistance from Ted Landers 
by David Ellsworth, Tom Abeles ; 
 - Minneapolis, Minn. :  i/e associates,  1981 
 - 76p. :  ill. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Methane<br/>Gas-producers--Handbooks, manuals, etc.<br/>Farm manure<br/>Methanation--Handbooks, manuals, etc.