O'Brien, Denis <br/><br/>
Empedocles' cosmic cycle: a reconstruction from the fragments and secondary sources 
by D. O'Brien 
 - Cambridge  Cambridge University Press  1969 
 - x, 459 p. 1 illus. 22 cm 
<br/><br/> Bibliography: p. 337-398 
<br/><br/><label>ISBN: </label>9780521100373 
<br/><br/><label>ISSN: </label>68010330 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Cosmology<br/>Empedocles
<br/><br/><label>Dewey Class. No.: </label>182.5 OBR