Combustion  results achieved by various European countries in the field of fuel advisory services and training of boilerhouse staff.  [microform] : 

 - [Geneva :  United Nations Economic Commission for Europe, Industry Division],  1953. 
 - United Nations. [Document] ;  E/ECE/158, E/ECE/Coal/UWP/33 .
 - Document (United Nations) ;  E/ECE/158, E/ECE/Coal/UWP/33 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Fuel.<br/>Steam-boilers.