Hobson.P.N. <br/><br/>
Methane production from agricultural and domestic wastes  

 - London   Applied Science Publishers   1981 
<br/><br/><label>ISBN: </label>0-85334-924-x 
<br/><br/><label>LC Class. No.: </label>665.77/HOB  / 5 
<br/><br/><label>Dewey Class. No.: </label>665.77/HOB  / 5