Comparing study about the research project concerning the improvement of the electrolytic hydrogen production 
/ L. Helmet,..., H. Mezgolits,..., J. Prasser,...[et al.] 
. - Brussels  : ECSC, 1984
. - 225 p.  : ill.  ; 30 cm. 
 - Energy .
<br/><br/><label>Source: </label> Don 
<br/><br/><label>Universal Decimal Class. No.: </label>621.357.1