McVittie, George Cunliffe <br/><br/>
General relativity and cosmology 

 - 2a. ed. 
 - London :   Chapman and Hall Ld.,   1964. 
 - xii, 241 p. :   il., tablas ;   24 cm. 
 - International astrophysics ser. ;   v. 4 .
<br/><br/> Apéndice, p. 221-228    Bibliografía, p. 229-234 
<br/><br/><label>Subjects--Topical Terms: </label><br/>RELATIVIDAD (FISICA)
<br/><br/><label>Universal Decimal Class. No.: </label>530.12  523