Proceedings of the Fourth Marcel Grossmann Meeting on General Relativity :  held at the University of Rome "La Sapienza", 17-21 June, 1985 / 
edited by Remo Ruffini. 
 - Amsterdam:  North-Holland,  1986. 
 - xxix, 2 v. (1862 p.) :  il. ;  25 cm. 
<br/><br/>Incluye bibliografía e índices. 
<br/><br/><label>ISBN: </label>044487030X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>TEORIA DE LA RELATIVIDAD GENERALIZADA<br/>General relativity (Physics)<br/>Gravitation<br/>Astrophysics