Thirring, Hans,  1888- <br/><br/>
Power production:  the practical application of world energy/ 
Hans Thirring 
 - London:  George G. Harray ,  1956 
 - 399 p. :  ill. ;  21 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Power (Mechanics)<br/>Power resources