Levi-Civita, Tullio <br/><br/>
A simplified presentation of eins teins unified field equations / 
Tullio Levi-Civita authorised translation by John Dougall 
 - London :  Blackie,  1929 
 - 22 p. ;  22 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Unified field theories
<br/><br/><label>Dewey Class. No.: </label>531.5