Underground processing of fuels :  (Podzemnaya pererabotka topliv) 

 - Jerusalem :  Israel Program for Scientific Translations,  1963. 
 - 162 p. :  ill. ;  25 cm. 
<br/><br/> Translation of v. 13 of the Proceedings of the Institute of Fossil Fuels. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Coal gasification, Underground.