Viitasalo Ilkka  Ed <br/><br/>
Methane Fermentation : Report of a national Seminar held at University of Joensuu 

 -  University of Joensuu, Finland 
 - pp 138;   24*17 
<br/><br/><label>Dewey Class. No.: </label>F559p575,N85/N86/B16609