Bondi, Hermann. <br/><br/>
Cosmologia 

 - 2nd ed. 
 - Editorial Labor S.A.  Barcelona  1969. 
 - 189p.  diagrs.  22cm. 
 - Cambridge monographs on physics .
<br/><br/>Bibliography: p.171-177. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Cosmology